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  <xsd:element abstract="true" id="cinf_HomeOwnerSegmentMember" name="HomeOwnerSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_IndustrialSectorMember" name="IndustrialSectorMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_InformationSystemsAndTechnologyMember" name="InformationSystemsAndTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_LargestCustomerMember" name="LargestCustomerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_LargestSingleCommonStockHolding" name="LargestSingleCommonStockHolding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="cinf_LifePolicyLoansMember" name="LifePolicyLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_LimitedPartnershipMember" name="LimitedPartnershipMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cinf_MaximumNumberOfSharesAwardedToEachFullTimeEmployeeForTheirService" name="MaximumNumberOfSharesAwardedToEachFullTimeEmployeeForTheirService" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
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  <xsd:element id="cinf_NumberOfLocations" name="NumberOfLocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
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  <xsd:element id="cinf_NumberOfSecuritiesOtherThanTemporaryImpairmentLosses" name="NumberOfSecuritiesOtherThanTemporaryImpairmentLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
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  <xsd:element id="cinf_NumberofIndustriesOperatedIn" name="NumberofIndustriesOperatedIn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_NumberofInsuranceSegments" name="NumberofInsuranceSegments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
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  <xsd:element id="cinf_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndOtherAssetsAdjustmentBeforeTax" name="OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndOtherAssetsAdjustmentBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element id="cinf_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetActuarialLossAndPriorServiceCostArisingDuringPeriodBeforeTax" name="OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetActuarialLossAndPriorServiceCostArisingDuringPeriodBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_OtherLifePolicyReservesMember" name="OtherLifePolicyReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_OtherOperatingandFinanceLeaseDisclosureTableTextBlock" name="OtherOperatingandFinanceLeaseDisclosureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_OtherPersonalLinesMember" name="OtherPersonalLinesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_OtherStateMember" name="OtherStateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cinf_PercentageOfPremiums" name="PercentageOfPremiums" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cinf_PercentageOfReservesForAsbestosAndEnvironmentalClaims" name="PercentageOfReservesForAsbestosAndEnvironmentalClaims" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cinf_PercentageOfStatutoryNetIncomeFromPriorYear" name="PercentageOfStatutoryNetIncomeFromPriorYear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_PersonalAutoMember" name="PersonalAutoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_PremiumsWrittenNetPropertyandCasualty" name="PremiumsWrittenNetPropertyandCasualty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_PropertyCasualtyInsuranceAssumedAndCededBusinessTextBlock" name="PropertyCasualtyInsuranceAssumedAndCededBusinessTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_PropertyCasualtyInsuranceSegmentMember" name="PropertyCasualtyInsuranceSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_PurchaseOfTreasurySharesNonCash" name="PurchaseOfTreasurySharesNonCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cinf_ReclassificationfromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" name="ReclassificationfromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ReconciliationOfRestrictedStockActivityLineItems" name="ReconciliationOfRestrictedStockActivityLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_ReinsuranceassumedandothernonsegmentMember" name="ReinsuranceassumedandothernonsegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ReserveForLossesLossAdjustmentExpensesTextBlock" name="ReserveForLossesLossAdjustmentExpensesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ScheduleOfInvestmentIncomeRealizedGainLossComprehensiveIncomeLossTableTextBlock" name="ScheduleOfInvestmentIncomeRealizedGainLossComprehensiveIncomeLossTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ScheduleOfNetPeriodicCostAndChangesRecognizedInOtherComprehensiveIncomeTableTextBlock" name="ScheduleOfNetPeriodicCostAndChangesRecognizedInOtherComprehensiveIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAxis" name="ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ScheduleofDeferredPolicyAcquisitionCostsLineItems" name="ScheduleofDeferredPolicyAcquisitionCostsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cinf_SegmentInformationBySecondarySegmentDomain" name="SegmentInformationBySecondarySegmentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SegmentReportingInformationBySecondarySegmentAxis" name="SegmentReportingInformationBySecondarySegmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SeniorDebentures692PercentDue2028Member" name="SeniorDebentures692PercentDue2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SeniorDebentures69PercentDue2028Member" name="SeniorDebentures69PercentDue2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SeniorNotes6125PercentDue2034Member" name="SeniorNotes6125PercentDue2034Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ServiceBasedSharesMember" name="ServiceBasedSharesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValueAggregate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValueAggregate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodTotalIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodTotalIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardDomain" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExpectedtoVestWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExpectedtoVestWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_Sharebasedperformancemetricforperformanceshares" name="Sharebasedperformancemetricforperformanceshares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_ShareholdersEquityAndAccumulatedOtherComprehensiveIncomeTextBlock" name="ShareholdersEquityAndAccumulatedOtherComprehensiveIncomeTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_ShareholdersEquityAndDividendRestrictionsAbstract" name="ShareholdersEquityAndDividendRestrictionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_SharesAcquiredDuringPeriodEmployeeShareBasedCompensationPlans" name="SharesAcquiredDuringPeriodEmployeeShareBasedCompensationPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_SharesAcquiredDuringPeriodValueEmployeeShareBasedCompensationPlans" name="SharesAcquiredDuringPeriodValueEmployeeShareBasedCompensationPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_StateMember" name="StateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_StaturoryAccountingInformationAbstract" name="StaturoryAccountingInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_StockholdersEquityIncludingAdjustedBalance" name="StockholdersEquityIncludingAdjustedBalance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cinf_StructuredSettlementsMember" name="StructuredSettlementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_SyndicateBrokerRelationshipsMember" name="SyndicateBrokerRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_TaxableFixedMaturitiesMember" name="TaxableFixedMaturitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_TopHatMember" name="TopHatMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseCost" name="TotalFinanceandOperatingLeaseCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueAfterYearFive" name="TotalFinanceandOperatingLeaseObligationsDueAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueNextTwelveMonths" name="TotalFinanceandOperatingLeaseObligationsDueNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueYearFive" name="TotalFinanceandOperatingLeaseObligationsDueYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueYearFour" name="TotalFinanceandOperatingLeaseObligationsDueYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueYearThree" name="TotalFinanceandOperatingLeaseObligationsDueYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_TotalFinanceandOperatingLeaseObligationsDueYearTwo" name="TotalFinanceandOperatingLeaseObligationsDueYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cinf_Totalleaseliability" name="Totalleaseliability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cinf_UnderwritingAcquisitionAndInsuranceExpenses" name="UnderwritingAcquisitionAndInsuranceExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cinf_UnrealizedgainsreclassifiedtoretainedearningsforASU201601aftertax" name="UnrealizedgainsreclassifiedtoretainedearningsforASU201601aftertax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cinf_ValueOfBusinessAcquiredMember" name="ValueOfBusinessAcquiredMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cinf_WorkersCompensationMember" name="WorkersCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>