<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/BasisOfPresentation" xlink:href="moh-20170930.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/BasisOfPresentationDetails" xlink:href="moh-20170930.xsd#BasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/CommitmentsAndContingencies" xlink:href="moh-20170930.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/CommitmentsAndContingenciesDetails" xlink:href="moh-20170930.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedBalanceSheets" xlink:href="moh-20170930.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="moh-20170930.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="moh-20170930.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfCashFlowsParenthetical" xlink:href="moh-20170930.xsd#ConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfComprehensiveLossIncome" xlink:href="moh-20170930.xsd#ConsolidatedStatementsOfComprehensiveLossIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfOperations" xlink:href="moh-20170930.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/Debt" xlink:href="moh-20170930.xsd#Debt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DebtAdditionalInformationDetails" xlink:href="moh-20170930.xsd#DebtAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DebtScheduleOfLongTermDebtDetails" xlink:href="moh-20170930.xsd#DebtScheduleOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DebtTables" xlink:href="moh-20170930.xsd#DebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/Derivatives" xlink:href="moh-20170930.xsd#Derivatives" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DerivativesDetails" xlink:href="moh-20170930.xsd#DerivativesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DerivativesTables" xlink:href="moh-20170930.xsd#DerivativesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/DocumentAndEntityInformation" xlink:href="moh-20170930.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/FairValueMeasurements" xlink:href="moh-20170930.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/FairValueMeasurementsDetailsOfLongTermDebtDetails" xlink:href="moh-20170930.xsd#FairValueMeasurementsDetailsOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/FairValueMeasurementsFairValueOfFinancialInstrumentsOnRecurringBasisDetails" xlink:href="moh-20170930.xsd#FairValueMeasurementsFairValueOfFinancialInstrumentsOnRecurringBasisDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/FairValueMeasurementsTables" xlink:href="moh-20170930.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ImpairmentLosses" xlink:href="moh-20170930.xsd#ImpairmentLosses" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ImpairmentLossesAdditionalInformationDetails" xlink:href="moh-20170930.xsd#ImpairmentLossesAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ImpairmentLossesGoodwillBalancesDetails" xlink:href="moh-20170930.xsd#ImpairmentLossesGoodwillBalancesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/ImpairmentLossesTables" xlink:href="moh-20170930.xsd#ImpairmentLossesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/Investments" xlink:href="moh-20170930.xsd#Investments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/InvestmentsAvailableForSaleInvestmentsDetails" xlink:href="moh-20170930.xsd#InvestmentsAvailableForSaleInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/InvestmentsContractualMaturitiesOfInvestmentsDetails" xlink:href="moh-20170930.xsd#InvestmentsContractualMaturitiesOfInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/InvestmentsHeldToMaturityInvestmentsDetails" xlink:href="moh-20170930.xsd#InvestmentsHeldToMaturityInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/InvestmentsSummaryOfInvestmentsDetails" xlink:href="moh-20170930.xsd#InvestmentsSummaryOfInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/InvestmentsTables" xlink:href="moh-20170930.xsd#InvestmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayable" xlink:href="moh-20170930.xsd#MedicalClaimsAndBenefitsPayable" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableAdditionalInformationDetails" xlink:href="moh-20170930.xsd#MedicalClaimsAndBenefitsPayableAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableComponentsOfChangeInMedicalClaimsAndBenefitsPayableDetails" xlink:href="moh-20170930.xsd#MedicalClaimsAndBenefitsPayableComponentsOfChangeInMedicalClaimsAndBenefitsPayableDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableMedicalClaimsAndFutureBenefitsDetails" xlink:href="moh-20170930.xsd#MedicalClaimsAndBenefitsPayableMedicalClaimsAndFutureBenefitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableTables" xlink:href="moh-20170930.xsd#MedicalClaimsAndBenefitsPayableTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/NetLossIncomePerShare" xlink:href="moh-20170930.xsd#NetLossIncomePerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/NetLossIncomePerShareDetail" xlink:href="moh-20170930.xsd#NetLossIncomePerShareDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/NetLossIncomePerShareTables" xlink:href="moh-20170930.xsd#NetLossIncomePerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RelatedPartyTransactions" xlink:href="moh-20170930.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RelatedPartyTransactionsDetails" xlink:href="moh-20170930.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCosts" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCosts" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsExpectedCostsDetails" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCostsExpectedCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsOtherRestructuringCostsDetails" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCostsOtherRestructuringCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsRestructuringCostsBySegmentDetails" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCostsRestructuringCostsBySegmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsSeparationCostsDetails" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCostsSeparationCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsTables" xlink:href="moh-20170930.xsd#RestructuringAndSeparationCostsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SegmentInformation" xlink:href="moh-20170930.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SegmentInformationAdditionalInformationDetails" xlink:href="moh-20170930.xsd#SegmentInformationAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SegmentInformationReconciliationOfGrossMarginToConsolidatedIncomeDetails" xlink:href="moh-20170930.xsd#SegmentInformationReconciliationOfGrossMarginToConsolidatedIncomeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SegmentInformationScheduleOfOperatingSegmentInformationDetails" xlink:href="moh-20170930.xsd#SegmentInformationScheduleOfOperatingSegmentInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SegmentInformationTables" xlink:href="moh-20170930.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPolicies" xlink:href="moh-20170930.xsd#SignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPolicies3RProgramReceivablesPayablesDetails" xlink:href="moh-20170930.xsd#SignificantAccountingPolicies3RProgramReceivablesPayablesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesAdditionalInformationDetails" xlink:href="moh-20170930.xsd#SignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesPolicies" xlink:href="moh-20170930.xsd#SignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesQualityIncentivePremiumRevenueRecognizedDetails" xlink:href="moh-20170930.xsd#SignificantAccountingPoliciesQualityIncentivePremiumRevenueRecognizedDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesTables" xlink:href="moh-20170930.xsd#SignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/StockholdersEquity" xlink:href="moh-20170930.xsd#StockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/StockholdersEquityAdditionalInformationDetails" xlink:href="moh-20170930.xsd#StockholdersEquityAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/StockholdersEquityShareActivityDetails" xlink:href="moh-20170930.xsd#StockholdersEquityShareActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/StockholdersEquityTables" xlink:href="moh-20170930.xsd#StockholdersEquityTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformation" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationAdditionalInformationDetails" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationBalanceSheetDetails" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationCashFlowsDetails" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationCashFlowsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationComprehensiveIncomeLossDetails" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationComprehensiveIncomeLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationStatementsOfOperationsDetails" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationStatementsOfOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationTables" xlink:href="moh-20170930.xsd#SupplementalCondensedConsolidatingFinancialInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/VariableInterestEntitiesVies" xlink:href="moh-20170930.xsd#VariableInterestEntitiesVies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.molinahealthcare.com/role/VariableInterestEntitiesViesDetails" xlink:href="moh-20170930.xsd#VariableInterestEntitiesViesDetails" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/BasisOfPresentationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_9e09c5f9-2c35-a20f-1778-deaa3b0d7d0a" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_9e09c5f9-2c35-a20f-1778-deaa3b0d7d0a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_49187b45-82fd-7060-b114-79ff249a4331" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedInvestmentsNoncurrent" xlink:label="loc_us-gaap_RestrictedInvestmentsNoncurrent_4e9ff633-436d-426c-73d7-30e2c824277e" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_RestrictedInvestmentsNoncurrent_4e9ff633-436d-426c-73d7-30e2c824277e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_0c301281-b140-dfcb-9991-ae503484f9da" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_0c301281-b140-dfcb-9991-ae503484f9da" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_MedicalPremiumLiabilityDueToAgency" xlink:label="loc_moh_MedicalPremiumLiabilityDueToAgency_545574fd-a844-3c16-3ad6-ad670499550c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_moh_MedicalPremiumLiabilityDueToAgency_545574fd-a844-3c16-3ad6-ad670499550c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_317ba419-f157-96a7-e68b-919ea3e7bea3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_02b1756e-a27a-df0b-cb87-4e42d7ab59c6" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_02b1756e-a27a-df0b-cb87-4e42d7ab59c6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsNoncurrent_efe2512e-d4d4-64d6-9c0d-99078496415f" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_CapitalLeaseObligationsNoncurrent_efe2512e-d4d4-64d6-9c0d-99078496415f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_314eb579-3ee1-408c-39f2-e62f2f37befc" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_314eb579-3ee1-408c-39f2-e62f2f37befc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValueOutstanding" xlink:label="loc_us-gaap_CommonStockValueOutstanding_84f35893-355e-0c6f-c67d-2f363beeac9a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_CommonStockValueOutstanding_84f35893-355e-0c6f-c67d-2f363beeac9a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_37b0c31d-5d8b-0577-dfd9-aa56a79334e3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_37b0c31d-5d8b-0577-dfd9-aa56a79334e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_46ff7060-620f-71f6-4d86-16b841ded8cf" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_46ff7060-620f-71f6-4d86-16b841ded8cf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_37df9202-d5d1-1363-9956-7b4402bf22d6" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_37df9202-d5d1-1363-9956-7b4402bf22d6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_NoncashRestructuringCharges" xlink:label="loc_moh_NoncashRestructuringCharges_5C968B84C093D480B1B1509D464732A1" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_moh_NoncashRestructuringCharges_5C968B84C093D480B1B1509D464732A1" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AmortizationOfDebtDiscountPremiumAndSaleLeasebackFinancingObligation" xlink:label="loc_moh_AmortizationOfDebtDiscountPremiumAndSaleLeasebackFinancingObligation_49d0c141-9a5f-6b49-987c-ad67048aa364" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_moh_AmortizationOfDebtDiscountPremiumAndSaleLeasebackFinancingObligation_49d0c141-9a5f-6b49-987c-ad67048aa364" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e044e8e2-5c45-7b11-95e2-5c6b268cc854" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_e044e8e2-5c45-7b11-95e2-5c6b268cc854" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_bba7070a-94e8-0b85-254d-f01f9c4632c7" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_bba7070a-94e8-0b85-254d-f01f9c4632c7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_c998cbd2-a633-c2ec-1932-e3bfedecbc9f" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_c998cbd2-a633-c2ec-1932-e3bfedecbc9f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInHealthCareInsuranceLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInHealthCareInsuranceLiabilities_8d0c5558-0ea2-0c0c-97b7-de7421b9de21" xlink:type="locator" />
    <link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInHealthCareInsuranceLiabilities_8d0c5558-0ea2-0c0c-97b7-de7421b9de21" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency" xlink:label="loc_moh_IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency_6b1f5088-3c51-e599-fa41-ad67038e0aed" xlink:type="locator" />
    <link:calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_moh_IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency_6b1f5088-3c51-e599-fa41-ad67038e0aed" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_73e959a8-32b6-697e-66b5-86ef5a29476e" xlink:type="locator" />
    <link:calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_73e959a8-32b6-697e-66b5-86ef5a29476e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="locator" />
    <link:calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_2e0100a2-70c7-ab53-9143-6f416ad2f702" xlink:type="locator" />
    <link:calculationArc order="15" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_2e0100a2-70c7-ab53-9143-6f416ad2f702" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_2648fb49-ac2e-6969-ad2b-f3869ac97490" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_2648fb49-ac2e-6969-ad2b-f3869ac97490" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_d2b20a48-8c61-8411-d4d7-d65c81eadffd" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_d2b20a48-8c61-8411-d4d7-d65c81eadffd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_d59a921e-6301-0411-46e6-49b6a981f8a0" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_d59a921e-6301-0411-46e6-49b6a981f8a0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfComprehensiveLossIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_72d12753-e25c-cdc0-88b6-98db8d7b7fae" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_72d12753-e25c-cdc0-88b6-98db8d7b7fae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_d58ac57b-2e86-36b4-7645-929f4187851d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_72d12753-e25c-cdc0-88b6-98db8d7b7fae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_d58ac57b-2e86-36b4-7645-929f4187851d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_fce92d33-1a6b-eabb-7aec-b7f763849491" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_72d12753-e25c-cdc0-88b6-98db8d7b7fae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_fce92d33-1a6b-eabb-7aec-b7f763849491" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HealthCareOrganizationPremiumRevenue" xlink:label="loc_us-gaap_HealthCareOrganizationPremiumRevenue_f08db9c5-b409-69ba-687e-9909da778a03" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_HealthCareOrganizationPremiumRevenue_f08db9c5-b409-69ba-687e-9909da778a03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TechnologyServicesRevenue" xlink:label="loc_us-gaap_TechnologyServicesRevenue_a2d7d671-982b-48f1-cd93-1c0c8783406d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_TechnologyServicesRevenue_a2d7d671-982b-48f1-cd93-1c0c8783406d" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_HealthCareOrganizationPremiumTaxRevenue" xlink:label="loc_moh_HealthCareOrganizationPremiumTaxRevenue_789334fc-d769-20b6-a0fe-ad67040f4b0b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_moh_HealthCareOrganizationPremiumTaxRevenue_789334fc-d769-20b6-a0fe-ad67040f4b0b" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_HealthCareOrganizationInsurerFeeRevenue" xlink:label="loc_moh_HealthCareOrganizationInsurerFeeRevenue_655dd048-8263-2055-22e4-ad67027b5648" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_moh_HealthCareOrganizationInsurerFeeRevenue_655dd048-8263-2055-22e4-ad67027b5648" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_4477516e-3843-f1b4-8a61-de669ff8f0e0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_4477516e-3843-f1b4-8a61-de669ff8f0e0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PolicyholderBenefitsAndClaimsIncurredHealthCare" xlink:label="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredHealthCare_33da2dfe-2a72-ae68-3d73-10c1136e05a5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredHealthCare_33da2dfe-2a72-ae68-3d73-10c1136e05a5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TechnologyServicesCosts" xlink:label="loc_us-gaap_TechnologyServicesCosts_451e4276-6943-f53b-d4bb-42fb769d06ff" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_TechnologyServicesCosts_451e4276-6943-f53b-d4bb-42fb769d06ff" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_PremiumTaxExpenses" xlink:label="loc_moh_PremiumTaxExpenses_9f4c20da-4a6c-c05d-aeab-ad67049cb907" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_moh_PremiumTaxExpenses_9f4c20da-4a6c-c05d-aeab-ad67049cb907" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_cfab4180-0727-b022-76c1-dcd34f4a6382" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_DepreciationAndAmortization_cfab4180-0727-b022-76c1-dcd34f4a6382" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_HealthCareOrganizationInsurerFeeExpense" xlink:label="loc_moh_HealthCareOrganizationInsurerFeeExpense_27cd095e-4016-1086-511b-ad6704a2c13d" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_moh_HealthCareOrganizationInsurerFeeExpense_27cd095e-4016-1086-511b-ad6704a2c13d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_46ff7060-620f-71f6-4d86-16b841ded8cf" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_46ff7060-620f-71f6-4d86-16b841ded8cf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCosts" xlink:label="loc_us-gaap_RestructuringCosts_050f971e-149c-ce5d-2cf1-fbbf58be6616" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_RestructuringCosts_050f971e-149c-ce5d-2cf1-fbbf58be6616" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_9b894abb-bf85-2810-9d9d-c92a9b0f56f1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9b894abb-bf85-2810-9d9d-c92a9b0f56f1" xlink:to="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9b894abb-bf85-2810-9d9d-c92a9b0f56f1" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/Debt" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DebtAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DebtScheduleOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b6800bf1-5907-725f-33e8-d73967cfa8bb" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b6800bf1-5907-725f-33e8-d73967cfa8bb" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_LongTermDebtCurrentMaturitiesNetOfUnamortizedPremiumDiscount" xlink:label="loc_moh_LongTermDebtCurrentMaturitiesNetOfUnamortizedPremiumDiscount_3ccb0330-761a-733b-af30-ad67041d7ee8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:to="loc_moh_LongTermDebtCurrentMaturitiesNetOfUnamortizedPremiumDiscount_3ccb0330-761a-733b-af30-ad67041d7ee8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsCurrent_76865e4e-2049-cac6-edec-da1c3f948f32" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:to="loc_us-gaap_CapitalLeaseObligationsCurrent_76865e4e-2049-cac6-edec-da1c3f948f32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsCurrentNet_5a454d86-13e3-0a5f-9f0c-ce61a35dc172" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:to="loc_us-gaap_DeferredFinanceCostsCurrentNet_5a454d86-13e3-0a5f-9f0c-ce61a35dc172" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b6800bf1-5907-725f-33e8-d73967cfa8bb" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount" xlink:label="loc_moh_LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount_65e4481e-f644-cf28-31b0-ad6702a96246" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:to="loc_moh_LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount_65e4481e-f644-cf28-31b0-ad6702a96246" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_1d3fd592-fec8-0a0c-5f75-15ceb940772b" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_822b66ff-44a1-e66b-5e0c-09356970a23d" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_1d3fd592-fec8-0a0c-5f75-15ceb940772b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsNoncurrent_efe2512e-d4d4-64d6-9c0d-99078496415f" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b6800bf1-5907-725f-33e8-d73967cfa8bb" xlink:to="loc_us-gaap_CapitalLeaseObligationsNoncurrent_efe2512e-d4d4-64d6-9c0d-99078496415f" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DebtTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/Derivatives" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DerivativesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DerivativesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/FairValueMeasurements" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/FairValueMeasurementsDetailsOfLongTermDebtDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/FairValueMeasurementsFairValueOfFinancialInstrumentsOnRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_61bb41c2-5e2c-2804-d184-f566af2acbb1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_a3ccd28b-d904-f2d6-d218-02006f748e50" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_61bb41c2-5e2c-2804-d184-f566af2acbb1" xlink:to="loc_us-gaap_DerivativeLiabilities_a3ccd28b-d904-f2d6-d218-02006f748e50" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ImpairmentLosses" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ImpairmentLossesAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ImpairmentLossesGoodwillBalancesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillGross" xlink:label="loc_us-gaap_GoodwillGross_f8468382-b91b-4f7a-57af-96a105896e89" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:to="loc_us-gaap_GoodwillGross_f8468382-b91b-4f7a-57af-96a105896e89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_e0e68795-51b1-5a3b-8be1-d04779347384" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_e0e68795-51b1-5a3b-8be1-d04779347384" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/ImpairmentLossesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/Investments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/InvestmentsAvailableForSaleInvestmentsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/InvestmentsContractualMaturitiesOfInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_065ac417-143a-3361-82a5-1e59ffd9749a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_065ac417-143a-3361-82a5-1e59ffd9749a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_6806c6da-7794-6cc2-dea6-0fe1f4c6a026" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_6806c6da-7794-6cc2-dea6-0fe1f4c6a026" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_c1571bda-5b61-dcae-c5bf-c051d205fcb0" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_c1571bda-5b61-dcae-c5bf-c051d205fcb0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_11443c48-53c0-1d18-5b01-77cc4603ea56" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_4836856d-11b6-313b-8616-6a2c8b77e26f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_11443c48-53c0-1d18-5b01-77cc4603ea56" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_4836856d-11b6-313b-8616-6a2c8b77e26f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_c92402e9-bd0b-d11c-b52e-45b5c23d49be" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_11443c48-53c0-1d18-5b01-77cc4603ea56" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_c92402e9-bd0b-d11c-b52e-45b5c23d49be" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_4e9a5751-649f-39a9-c9ec-844be0df352b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_11443c48-53c0-1d18-5b01-77cc4603ea56" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_4e9a5751-649f-39a9-c9ec-844be0df352b" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/InvestmentsHeldToMaturityInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_317678d5-aa75-7221-6f7e-512a1e9594ce" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_837d1260-daa2-488c-64c8-2e7be5aee8de" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_317678d5-aa75-7221-6f7e-512a1e9594ce" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_837d1260-daa2-488c-64c8-2e7be5aee8de" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_2c901eb8-b331-77d7-037a-709db533c963" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_317678d5-aa75-7221-6f7e-512a1e9594ce" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_2c901eb8-b331-77d7-037a-709db533c963" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_3bb8bc81-af51-9945-0a22-cc4527e07a17" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_01f5fca0-0070-5249-0eb7-1cb84a39b7e6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_3bb8bc81-af51-9945-0a22-cc4527e07a17" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_01f5fca0-0070-5249-0eb7-1cb84a39b7e6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_12128751-e7de-aad7-24b3-5ab9e63f309b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_3bb8bc81-af51-9945-0a22-cc4527e07a17" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_12128751-e7de-aad7-24b3-5ab9e63f309b" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/InvestmentsSummaryOfInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_1932fd43-f07d-5e04-493b-eca2ebb13c97" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_1932fd43-f07d-5e04-493b-eca2ebb13c97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_e96beffd-8ab7-62f8-402b-cfa1adccd68f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_e96beffd-8ab7-62f8-402b-cfa1adccd68f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_fc961581-2899-aa00-cc82-b67bd4267bb3" xlink:to="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/InvestmentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayable" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableComponentsOfChangeInMedicalClaimsAndBenefitsPayableDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_c747a310-177f-3fa2-0770-186fe0101549" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_d0aa3441-4497-e056-f2c6-be13451e2bd4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_c747a310-177f-3fa2-0770-186fe0101549" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_d0aa3441-4497-e056-f2c6-be13451e2bd4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_23dda0ac-154f-f86f-fdec-10da1de6334f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_c747a310-177f-3fa2-0770-186fe0101549" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_23dda0ac-154f-f86f-fdec-10da1de6334f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForLossesAndLossAdjustmentExpense" xlink:label="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_644f9d55-86b4-ffc9-87f4-0e045aabde07" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_e0f917f2-9c85-c450-370a-9f6e89eb32dd" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_644f9d55-86b4-ffc9-87f4-0e045aabde07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_e0f917f2-9c85-c450-370a-9f6e89eb32dd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_954a7e93-e5cd-ee82-775c-baaa4fb8255d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_644f9d55-86b4-ffc9-87f4-0e045aabde07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_954a7e93-e5cd-ee82-775c-baaa4fb8255d" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableMedicalClaimsAndFutureBenefitsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_006c26b1-d845-40a8-a81a-b316777ef2e3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_006c26b1-d845-40a8-a81a-b316777ef2e3" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_PharmacyClaimsPayable" xlink:label="loc_moh_PharmacyClaimsPayable_e40db78a-583c-860a-fab5-ad6703a90ab2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:to="loc_moh_PharmacyClaimsPayable_e40db78a-583c-860a-fab5-ad6703a90ab2" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_CapitationClaimsPayable" xlink:label="loc_moh_CapitationClaimsPayable_eb810d33-c084-2281-4767-ad67027ead18" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:to="loc_moh_CapitationClaimsPayable_eb810d33-c084-2281-4767-ad67027ead18" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_OtherClaimsPayable" xlink:label="loc_moh_OtherClaimsPayable_e493414a-de7e-64c4-e512-ad67035aa036" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_99d901f4-4cf9-4545-f608-844c08dd00c1" xlink:to="loc_moh_OtherClaimsPayable_e493414a-de7e-64c4-e512-ad67035aa036" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/MedicalClaimsAndBenefitsPayableTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/NetLossIncomePerShare" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/NetLossIncomePerShareDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_86e61cf2-b7b2-e230-65f1-5a2b152f3a30" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_86e61cf2-b7b2-e230-65f1-5a2b152f3a30" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_002e59bf-dd40-7260-a9ce-7bf122905487" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_002e59bf-dd40-7260-a9ce-7bf122905487" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/NetLossIncomePerShareTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RelatedPartyTransactions" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCosts" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsExpectedCostsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsOtherRestructuringCostsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsRestructuringCostsBySegmentDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsSeparationCostsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/RestructuringAndSeparationCostsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SegmentInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SegmentInformationAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SegmentInformationReconciliationOfGrossMarginToConsolidatedIncomeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SegmentInformationScheduleOfOperatingSegmentInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPolicies3RProgramReceivablesPayablesDetails" xlink:type="extended">
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayable" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayable_86902b79-e96f-db4e-e3f6-ad6704a510f3" xlink:type="locator" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayableCurrentYear" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayableCurrentYear_cdd2dab5-21f5-3274-2781-ad670278ed93" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayable_86902b79-e96f-db4e-e3f6-ad6704a510f3" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayableCurrentYear_cdd2dab5-21f5-3274-2781-ad670278ed93" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayablePriorYears" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayablePriorYears_d69f66be-dc1e-5d5a-f472-ad67037b0323" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayable_86902b79-e96f-db4e-e3f6-ad6704a510f3" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramRiskCorridorReceivablePayablePriorYears_d69f66be-dc1e-5d5a-f472-ad67037b0323" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayable" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayable_be743d1a-8bf1-0664-63c8-ad670361404a" xlink:type="locator" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayableCurrentYear" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayableCurrentYear_16d9388d-00f0-ca63-28cc-ad670274cef6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayable_be743d1a-8bf1-0664-63c8-ad670361404a" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayableCurrentYear_16d9388d-00f0-ca63-28cc-ad670274cef6" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayablePriorYears" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayablePriorYears_29308d65-72b2-01bb-10d1-ad6704560c2d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayable_be743d1a-8bf1-0664-63c8-ad670361404a" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramMinimumMedicalLossRatioReceivablePayablePriorYears_29308d65-72b2-01bb-10d1-ad6704560c2d" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayable" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayable_ad734aa7-a692-e243-f498-ad6702fb439d" xlink:type="locator" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayableCurrentYear" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayableCurrentYear_6f35fa52-6c98-d10e-51c4-ad67049b8dc6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayable_ad734aa7-a692-e243-f498-ad6702fb439d" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayableCurrentYear_6f35fa52-6c98-d10e-51c4-ad67049b8dc6" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayablePriorYears" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayablePriorYears_29fe453b-a819-b3a2-a0ac-ad67042a08ab" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayable_ad734aa7-a692-e243-f498-ad6702fb439d" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramReinsuranceReceivablePayablePriorYears_29fe453b-a819-b3a2-a0ac-ad67042a08ab" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayable" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayable_2f87a3c5-8cd9-6612-16f3-ad670270ad6f" xlink:type="locator" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear_a0b20623-497a-2606-0d36-ad6703b66502" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayable_2f87a3c5-8cd9-6612-16f3-ad670270ad6f" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear_a0b20623-497a-2606-0d36-ad6703b66502" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayablePriorYears" xlink:label="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayablePriorYears_d1a99347-d4b3-921c-bdb9-ad6703546c17" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayable_2f87a3c5-8cd9-6612-16f3-ad670270ad6f" xlink:to="loc_moh_AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayablePriorYears_d1a99347-d4b3-921c-bdb9-ad6703546c17" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesQualityIncentivePremiumRevenueRecognizedDetails" xlink:type="extended">
    <link:loc xlink:href="moh-20170930.xsd#moh_QualityIncentivePremiumRevenueRecognized" xlink:label="loc_moh_QualityIncentivePremiumRevenueRecognized_6f5199a2-9c49-5f79-95de-ad670275f918" xlink:type="locator" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized" xlink:label="loc_moh_AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized_c5e55fd7-054a-25e8-fa9d-ad6702bc577a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_QualityIncentivePremiumRevenueRecognized_6f5199a2-9c49-5f79-95de-ad670275f918" xlink:to="loc_moh_AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized_c5e55fd7-054a-25e8-fa9d-ad6702bc577a" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear" xlink:label="loc_moh_AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear_09d7c772-a3da-8a4d-0444-ad670402f926" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_QualityIncentivePremiumRevenueRecognized_6f5199a2-9c49-5f79-95de-ad670275f918" xlink:to="loc_moh_AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear_09d7c772-a3da-8a4d-0444-ad670402f926" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SignificantAccountingPoliciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/StockholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/StockholdersEquityAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/StockholdersEquityShareActivityDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/StockholdersEquityTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_314eb579-3ee1-408c-39f2-e62f2f37befc" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_314eb579-3ee1-408c-39f2-e62f2f37befc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="loc_us-gaap_MarketableSecuritiesCurrent_77be6853-2f03-c976-4472-a91565f93300" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_77be6853-2f03-c976-4472-a91565f93300" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedInvestmentsCurrent" xlink:label="loc_us-gaap_RestrictedInvestmentsCurrent_d3ea3df1-b37b-0784-76e0-f31c0d468f32" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_RestrictedInvestmentsCurrent_d3ea3df1-b37b-0784-76e0-f31c0d468f32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_4261eb63-a0fe-7be1-e8a2-dcf5644ff056" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_ReceivablesNetCurrent_4261eb63-a0fe-7be1-e8a2-dcf5644ff056" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_789a7873-b967-40a1-5141-a622987f261b" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_IncomeTaxesReceivable_789a7873-b967-40a1-5141-a622987f261b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent" xlink:label="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_e52ddeca-91e9-b476-c2f7-8f71b94e33f3" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_e52ddeca-91e9-b476-c2f7-8f71b94e33f3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2294e6a2-7bab-43ed-d02c-bdf73b8fa561" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2294e6a2-7bab-43ed-d02c-bdf73b8fa561" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_84c72a40-7d41-ae62-5328-afed8a5c4ed6" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_84c72a40-7d41-ae62-5328-afed8a5c4ed6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_9e09c5f9-2c35-a20f-1778-deaa3b0d7d0a" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_9e09c5f9-2c35-a20f-1778-deaa3b0d7d0a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_c04dd71c-529e-62f9-136d-a0a478e6fbc1" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_c04dd71c-529e-62f9-136d-a0a478e6fbc1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedInvestmentsNoncurrent" xlink:label="loc_us-gaap_RestrictedInvestmentsNoncurrent_4e9ff633-436d-426c-73d7-30e2c824277e" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_RestrictedInvestmentsNoncurrent_4e9ff633-436d-426c-73d7-30e2c824277e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_42d61097-0951-9fd0-ccda-87d8624a6e85" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_42d61097-0951-9fd0-ccda-87d8624a6e85" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_0c301281-b140-dfcb-9991-ae503484f9da" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_0c301281-b140-dfcb-9991-ae503484f9da" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_5151f7e0-f557-cbe6-275f-5bec3a3b329f" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_5151f7e0-f557-cbe6-275f-5bec3a3b329f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_cab3bec8-4083-d161-f1d3-963f220abc95" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_cab3bec8-4083-d161-f1d3-963f220abc95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseOfRestrictedInvestments" xlink:label="loc_us-gaap_IncreaseDecreaseOfRestrictedInvestments_06b9f065-a08e-18a7-2dea-fd7dbcb6bd7c" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_IncreaseDecreaseOfRestrictedInvestments_06b9f065-a08e-18a7-2dea-fd7dbcb6bd7c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_5f7d7f74-45c4-afb3-6117-ea0cc133d19b" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_5f7d7f74-45c4-afb3-6117-ea0cc133d19b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromDividendsReceived" xlink:label="loc_us-gaap_ProceedsFromDividendsReceived_cf8eeda6-9cb8-b85e-2961-1a54250a0654" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromDividendsReceived_cf8eeda6-9cb8-b85e-2961-1a54250a0654" xlink:type="arc" />
    <link:loc xlink:href="moh-20170930.xsd#moh_ChangesInAmountsDueToAndDueFromAffiliates" xlink:label="loc_moh_ChangesInAmountsDueToAndDueFromAffiliates_30cab732-fd17-bd38-b050-ad67031b64d0" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_moh_ChangesInAmountsDueToAndDueFromAffiliates_30cab732-fd17-bd38-b050-ad67031b64d0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationComprehensiveIncomeLossDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationStatementsOfOperationsDetails" xlink:type="extended">
    <link:loc xlink:href="moh-20170930.xsd#moh_NetIncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_moh_NetIncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtraordinaryItemsNoncontrollingInterest_6631c222-3d70-cf6b-23d4-ad6704985848" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_NetIncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtraordinaryItemsNoncontrollingInterest_6631c222-3d70-cf6b-23d4-ad6704985848" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_InterestExpense_7c9599ab-2a77-022c-c720-63fecff6a62c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_moh_NetIncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtraordinaryItemsNoncontrollingInterest_6631c222-3d70-cf6b-23d4-ad6704985848" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:type="arc" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_a7dd450d-72db-ba93-c31e-60f4dfe5c42e" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_a7dd450d-72db-ba93-c31e-60f4dfe5c42e" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/SupplementalCondensedConsolidatingFinancialInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/VariableInterestEntitiesVies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.molinahealthcare.com/role/VariableInterestEntitiesViesDetails" xlink:type="extended" />
</link:linkbase>
