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  <xs:element id="cinf_AccumulatedOtherComprehensiveIncomeLossTaxAbstract" abstract="true" name="AccumulatedOtherComprehensiveIncomeLossTaxAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cinf_OtherInvestmentContractReservesMember" abstract="true" name="OtherInvestmentContractReservesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_AccumulatedOtherComprehensiveIncomeLossTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeLossTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cinf_ExcessandSurplusLinesInsuranceMember" abstract="true" name="ExcessandSurplusLinesInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndOtherAssetsAdjustmentTax" abstract="false" name="OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndOtherAssetsAdjustmentTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cinf_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cinf_SeniorDebenturesSixPointNinePercentDueTwentyTwentyEightMember" abstract="true" name="SeniorDebenturesSixPointNinePercentDueTwentyTwentyEightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_LifeInsuranceAssumedAndCededBusinessTableTextBlock" abstract="false" name="LifeInsuranceAssumedAndCededBusinessTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="cinf_OtherLifePolicyReservesMember" abstract="true" name="OtherLifePolicyReservesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_LifeandHealthLossReservesMember" abstract="true" name="LifeandHealthLossReservesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_Largestequityholdingstototalportfolio" abstract="false" name="Largestequityholdingstototalportfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="cinf_IncreaseDecreaseInOtherComprehensiveIncomeLossNetOfTax" abstract="false" name="IncreaseDecreaseInOtherComprehensiveIncomeLossNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cinf_ReclassificationfromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" abstract="false" name="ReclassificationfromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cinf_NumberOfSecuritiesContinuousUnrealizedLossPositionandBelow70PercentofAmortizedCost" abstract="false" name="NumberOfSecuritiesContinuousUnrealizedLossPositionandBelow70PercentofAmortizedCost" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cinf_DeferredAnnuitiesMember" abstract="true" name="DeferredAnnuitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cinf_Largestequityholdingstototalequityportfolio" abstract="false" name="Largestequityholdingstototalequityportfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="cinf_OtherComprehensiveIncomeChangeInLifeDeferredAcquistionCostsLifePolicyReservesAndOtherNetOfTax" abstract="false" name="OtherComprehensiveIncomeChangeInLifeDeferredAcquistionCostsLifePolicyReservesAndOtherNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cinf_SeniorDebentures692PercentDue2028Member" abstract="true" name="SeniorDebentures692PercentDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cinf_SeniorDebentures69PercentDue2028Member" abstract="true" name="SeniorDebentures69PercentDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
</XBRL>