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  <xs:element id="pnfp_ScheduleOfCondensedStatementsOfComprehensiveIncomeLossTableTextBlock" abstract="false" name="ScheduleOfCondensedStatementsOfComprehensiveIncomeLossTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="pnfp_ScheduleOfCondensedStatementsOfCashFlowsTableTextBlock" abstract="false" name="ScheduleOfCondensedStatementsOfCashFlowsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="pnfp_BasisOfPresentationTable" abstract="true" name="BasisOfPresentationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="pnfp_QualpayMember" abstract="true" name="QualpayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_OtherNonInterestExpenseMember" abstract="true" name="OtherNonInterestExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_BasisOfPresentationLineItems" abstract="true" name="BasisOfPresentationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnfp_NumberOfSeatsOnTheBoardOfDirectorsAcquired" abstract="false" name="NumberOfSeatsOnTheBoardOfDirectorsAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="pnfp_TotalNumberOfSeatsOnTheBoardOfDirectorsOfAcquiree" abstract="false" name="TotalNumberOfSeatsOnTheBoardOfDirectorsOfAcquiree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="pnfp_LoanAgreementRepaymentPerformanceReasonablePeriodOfTime" abstract="false" name="LoanAgreementRepaymentPerformanceReasonablePeriodOfTime" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_FinancingReceivableAllowanceForCreditLossesPeriodBeyondAReasonableForecastCanBeMade" abstract="false" name="FinancingReceivableAllowanceForCreditLossesPeriodBeyondAReasonableForecastCanBeMade" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_FinancingReceivableAllowanceForCreditLossesHistoricalRatesPeriod" abstract="false" name="FinancingReceivableAllowanceForCreditLossesHistoricalRatesPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesSurrenderOfBankOwnedLifeInsurancePolicies" abstract="false" name="DeferredTaxLiabilitiesSurrenderOfBankOwnedLifeInsurancePolicies" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_MortgageBackedSecuritiesIssuedByUSGovernmentAgenciesMember" abstract="true" name="MortgageBackedSecuritiesIssuedByUSGovernmentAgenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CollateralizedMortgageObligationsIssuedByUSGovernmentSponsoredEnterprisesMember" abstract="true" name="CollateralizedMortgageObligationsIssuedByUSGovernmentSponsoredEnterprisesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CommercialMortgageBackedSecuritiesIssuedByU.S.GovernmentSponsoredAgenciesMember" abstract="true" name="CommercialMortgageBackedSecuritiesIssuedByU.S.GovernmentSponsoredAgenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_DebtSecuritiesAvailableForSaleTransferredToHeldToMaturity" abstract="false" name="DebtSecuritiesAvailableForSaleTransferredToHeldToMaturity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DebtSecuritiesHeldToMaturityAllowanceForCreditLossMeasurementInput" abstract="false" name="DebtSecuritiesHeldToMaturityAllowanceForCreditLossMeasurementInput" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_FinancingReceivablesCurrentAndLessThan30DaysPastDueAndStillAccruingMember" abstract="true" name="FinancingReceivablesCurrentAndLessThan30DaysPastDueAndStillAccruingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_FinancingReceivables90To149DaysPastDueMember" abstract="true" name="FinancingReceivables90To149DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_CommercialFinancialAndAgriculturalMember" abstract="true" name="CommercialFinancialAndAgriculturalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_RetailLoanDowngradedToSubstandard" abstract="false" name="RetailLoanDowngradedToSubstandard" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_RetailLoanChargeOff" abstract="false" name="RetailLoanChargeOff" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_ReserveForUnfundedCommitments" abstract="false" name="ReserveForUnfundedCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_LeasesRightOfUseAsset" abstract="false" name="LeasesRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_TimeDeposits250000orMore" abstract="false" name="TimeDeposits250000orMore" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TimeDepositsMaturingInYearOneAndTwo" abstract="false" name="TimeDepositsMaturingInYearOneAndTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_TimeDepositsMaturingInYearsThreeAndFour" abstract="false" name="TimeDepositsMaturingInYearsThreeAndFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TimeDepositsMaturingInYearsFourAndFive" abstract="false" name="TimeDepositsMaturingInYearsFourAndFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TimeDepositsMaturingAfterFiveYears" abstract="false" name="TimeDepositsMaturingAfterFiveYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_FivePointNinePercentSubordinatedNotesDue2029Member" abstract="true" name="FivePointNinePercentSubordinatedNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_SOFRPlusSpreadOf2.06DebenturesDueJune152035Member" abstract="true" name="SOFRPlusSpreadOf2.06DebenturesDueJune152035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FivePointSixTwoFivePercentSeniorBankNotesDueFebruary152028Member" abstract="true" name="FivePointSixTwoFivePercentSeniorBankNotesDueFebruary152028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="pnfp_A5.957SubordinatedNotesDueJanuary152036Member" abstract="true" name="A5.957SubordinatedNotesDueJanuary152036Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FederalHomeLoanBankAdvanceMember" abstract="true" name="FederalHomeLoanBankAdvanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FiveYearMidSwapRateMember" abstract="true" name="FiveYearMidSwapRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_SynovusBankMember" abstract="true" name="SynovusBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_DebtInstrumentInterestRatePeriod" abstract="false" name="DebtInstrumentInterestRatePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_LongTermDebtBeforeHedgeRelatedBasisAdjustment" abstract="false" name="LongTermDebtBeforeHedgeRelatedBasisAdjustment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_StockIssuedDuringPeriodSharesRestrictedShareUnitNetOfForfeitures" abstract="false" name="StockIssuedDuringPeriodSharesRestrictedShareUnitNetOfForfeitures" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="pnfp_ReductionInSharesOutstandingForCommonStock" abstract="false" name="ReductionInSharesOutstandingForCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="pnfp_ProceedsFromIssuanceOfPreferredStockAndPreferenceStockNetOfIssuanceCosts" abstract="false" name="ProceedsFromIssuanceOfPreferredStockAndPreferenceStockNetOfIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_UpToAndExcludingJune212023Member" abstract="true" name="UpToAndExcludingJune212023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FromAndIncludingJune212023Member" abstract="true" name="FromAndIncludingJune212023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_BeyondJune302023Member" abstract="true" name="BeyondJune302023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_UntilJuly12024ExcludingJuly12024Member" abstract="true" name="UntilJuly12024ExcludingJuly12024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FromJuly12024IncludingJuly12024Member" abstract="true" name="FromJuly12024IncludingJuly12024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_SaleOfStockRedemptionPeriodFromRegulatoryCapitalTreatment" abstract="false" name="SaleOfStockRedemptionPeriodFromRegulatoryCapitalTreatment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="pnfp_AOCIAccumulatedGainLossDebtSecuritiesOnAvailableForSaleInvestmentSecuritiesTransferredToHeldToMaturityMember" abstract="true" name="AOCIAccumulatedGainLossDebtSecuritiesOnAvailableForSaleInvestmentSecuritiesTransferredToHeldToMaturityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_DebtSecuritiesAvailableForSaleUnrealizedGainLossRelatedToResidualTaxEffectsRemainingInOCI" abstract="false" name="DebtSecuritiesAvailableForSaleUnrealizedGainLossRelatedToResidualTaxEffectsRemainingInOCI" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_UnrealizedGainLossOnCashFlowHedgesRelatedToResidualTaxEffectsRemainingInOCI" abstract="false" name="UnrealizedGainLossOnCashFlowHedgesRelatedToResidualTaxEffectsRemainingInOCI" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="pnfp_CommonEquityTierOne" abstract="false" name="CommonEquityTierOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_CommonEquityTierOneRequiredForCapitalAdequacy" abstract="false" name="CommonEquityTierOneRequiredForCapitalAdequacy" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_CommonEquityTierOneRequiredToBeWellCapitalized" abstract="false" name="CommonEquityTierOneRequiredToBeWellCapitalized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_CommonequitytierIcapitalratiotransitionalAbstract" abstract="true" name="CommonequitytierIcapitalratiotransitionalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnfp_CommonEquityTierOnetoRiskWeightedAssets" abstract="false" name="CommonEquityTierOnetoRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_CommonEquityTierOneCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" abstract="false" name="CommonEquityTierOneCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_CommonEquityTierOneCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets" abstract="false" name="CommonEquityTierOneCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_CapitalConservationBuffer" abstract="false" name="CapitalConservationBuffer" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_PotentiallyDilutiveSharesFromAssumedExerciseOfSecuritiesOrOtherContractsToPurchaseCommonStock" abstract="false" name="PotentiallyDilutiveSharesFromAssumedExerciseOfSecuritiesOrOtherContractsToPurchaseCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="pnfp_RestrictedStockUnitsRSUsAndPerformanceShareUnitsPSUsMember" abstract="true" name="RestrictedStockUnitsRSUsAndPerformanceShareUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_VisaDerivativeMember" abstract="true" name="VisaDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_MutualFundsAndMutualFundsHeldInRabbiTrustsInLiability" abstract="false" name="MutualFundsAndMutualFundsHeldInRabbiTrustsInLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_ChangeInMortgageLoansHeldForSaleIncludedInNetIncome" abstract="false" name="ChangeInMortgageLoansHeldForSaleIncludedInNetIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_FairValueOptionAggregateUnpaidPrincipalBalanceOfMortgageLoansHeldForSale" abstract="false" name="FairValueOptionAggregateUnpaidPrincipalBalanceOfMortgageLoansHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_ProvisionForCreditLossesMember" abstract="true" name="ProvisionForCreditLossesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CollateralDependentImpairedLoansMember" abstract="true" name="CollateralDependentImpairedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_ThirdPartyAppraisedValueOfCollateralLessEstimatedSellingCostsMember" abstract="true" name="ThirdPartyAppraisedValueOfCollateralLessEstimatedSellingCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FairValueInputsEstimatedSellingCosts" abstract="false" name="FairValueInputsEstimatedSellingCosts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_FederalFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreements" abstract="false" name="FederalFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_MortgageDerivativeMember" abstract="true" name="MortgageDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_AmortizationOfTerminatedCashFlowHedgesIncomeLossRecognized" abstract="false" name="AmortizationOfTerminatedCashFlowHedgesIncomeLossRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_CashFlowHedgeTerminationGainLossToBeReclassifiedWithinTwelveMonths" abstract="false" name="CashFlowHedgeTerminationGainLossToBeReclassifiedWithinTwelveMonths" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_HedgedLiabilityDiscontinuedFairValueHedge" abstract="false" name="HedgedLiabilityDiscontinuedFairValueHedge" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_RiskParticipationAgreementsMember" abstract="true" name="RiskParticipationAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_ForwardCommitmentsToSellFixedRateMortgageLoansMember" abstract="true" name="ForwardCommitmentsToSellFixedRateMortgageLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_InterestIncomeLoansIncludingFeesMember" abstract="true" name="InterestIncomeLoansIncludingFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_RealizedGainsLossesReclassifiedFromAOCIPreTaxToInterestIncomeOnLoans" abstract="false" name="RealizedGainsLossesReclassifiedFromAOCIPreTaxToInterestIncomeOnLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_IncreaseDecreaseInFairValueOfAmountsRelatedToInterestSettlementsAndAmortizationOnDerivatives" abstract="false" name="IncreaseDecreaseInFairValueOfAmountsRelatedToInterestSettlementsAndAmortizationOnDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_StandbyAndCommercialLettersOfCreditMember" abstract="true" name="StandbyAndCommercialLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CommitmentsToFundCommercialAndIndustrialLoansMember" abstract="true" name="CommitmentsToFundCommercialAndIndustrialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CommitmentsToFundCommercialRealEstateConstructionAndLandDevelopmentLoansMember" abstract="true" name="CommitmentsToFundCommercialRealEstateConstructionAndLandDevelopmentLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CommitmentsUnderHomeEquityLinesOfCreditMember" abstract="true" name="CommitmentsUnderHomeEquityLinesOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_UnusedCreditCardLinesMember" abstract="true" name="UnusedCreditCardLinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_OtherLoanCommitmentsMember" abstract="true" name="OtherLoanCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_PermanentAndShortTermConstructionLoansAndLetterOfCreditCommitmentsMember" abstract="true" name="PermanentAndShortTermConstructionLoansAndLetterOfCreditCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FundedPortionOfPermanentAndShortTermLoansAndLettersOfCreditMember" abstract="true" name="FundedPortionOfPermanentAndShortTermLoansAndLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TaxCreditsCRAPartnershipsAndOtherInvestmentsCarryingAmountIncludedInOtherAssets" abstract="false" name="TaxCreditsCRAPartnershipsAndOtherInvestmentsCarryingAmountIncludedInOtherAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TaxCreditsCRAPartnershipsAndOtherInvestmentsPermanentAndShortTermConstructionLoansAndLetterOfCreditCommitments" abstract="false" name="TaxCreditsCRAPartnershipsAndOtherInvestmentsPermanentAndShortTermConstructionLoansAndLetterOfCreditCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TaxCreditsCRAPartnershipsAndOtherInvestmentsFundedPortionOfPermanentAndShortTermLoansAndLettersOfCredit" abstract="false" name="TaxCreditsCRAPartnershipsAndOtherInvestmentsFundedPortionOfPermanentAndShortTermLoansAndLettersOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_ContractualAmountNetOfRiskParticipations" abstract="false" name="ContractualAmountNetOfRiskParticipations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_FutureFundingCommitmentAmountWithinOtherLiabilities" abstract="false" name="FutureFundingCommitmentAmountWithinOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_A2021OmnibusPlanMember" abstract="true" name="A2021OmnibusPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_PerformanceRestrictedStockUnitsMRSUsMember" abstract="true" name="PerformanceRestrictedStockUnitsMRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_PerformanceShareUnitsPSUsMember" abstract="true" name="PerformanceShareUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsNumberOfSimulations" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsNumberOfSimulations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="pnfp_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsSubjectToMarketCondition" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsSubjectToMarketCondition" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_LaborAndRelatedExpenseMember" abstract="true" name="LaborAndRelatedExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_MergerRelatedExpenseMember" abstract="true" name="MergerRelatedExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_NonInterestExpenseMember" abstract="true" name="NonInterestExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_DefinedContributionPlanStockPurchasePlanPercentOfMatch" abstract="false" name="DefinedContributionPlanStockPurchasePlanPercentOfMatch" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationTaxCreditLowIncomeHousingAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxCreditLowIncomeHousingAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationFDICPremiumsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationFDICPremiumsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationExecutiveCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationExecutiveCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxReconciliationSurrenderOfBankOwnedLifeInsurancePoliciesAmount" abstract="false" name="EffectiveIncomeTaxReconciliationSurrenderOfBankOwnedLifeInsurancePoliciesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationTaxCreditLowIncomeHousingPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxCreditLowIncomeHousingPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationFDICPremiumsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationFDICPremiumsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxRateReconciliationExecutiveCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationExecutiveCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_EffectiveIncomeTaxReconciliationSurrenderOfBankOwnedLifeInsurancePoliciesPercent" abstract="false" name="EffectiveIncomeTaxReconciliationSurrenderOfBankOwnedLifeInsurancePoliciesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetNetUnrealizedLossesOnInvestmentSecuritiesAvailableForSaleAndCashFlowHedges" abstract="false" name="DeferredTaxAssetNetUnrealizedLossesOnInvestmentSecuritiesAvailableForSaleAndCashFlowHedges" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsLeaseLiability" abstract="false" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsNonPerformingLoanInterest" abstract="false" name="DeferredTaxAssetsNonPerformingLoanInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsMergerRelatedExpenses" abstract="false" name="DeferredTaxAssetsMergerRelatedExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsUnrealizedLossesOnFairValueHedges" abstract="false" name="DeferredTaxAssetsUnrealizedLossesOnFairValueHedges" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsMiscellaneousAccruedExpenses" abstract="false" name="DeferredTaxAssetsMiscellaneousAccruedExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsFDICSpecialAssessment" abstract="false" name="DeferredTaxAssetsFDICSpecialAssessment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxAssetsFairValueOfInvestmentSecuritiesAndLoans" abstract="false" name="DeferredTaxAssetsFairValueOfInvestmentSecuritiesAndLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilityRightOfUseAsset" abstract="false" name="DeferredTaxLiabilityRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesPurchaseAccounting" abstract="false" name="DeferredTaxLiabilitiesPurchaseAccounting" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesDeferredLoanFee" abstract="false" name="DeferredTaxLiabilitiesDeferredLoanFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesDepreciation" abstract="false" name="DeferredTaxLiabilitiesDepreciation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesUnrealizedGainOnHedgeLiabilities" abstract="false" name="DeferredTaxLiabilitiesUnrealizedGainOnHedgeLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesPartnershipInvestments" abstract="false" name="DeferredTaxLiabilitiesPartnershipInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DeferredTaxLiabilitiesOtherPropertiesHeldForSale" abstract="false" name="DeferredTaxLiabilitiesOtherPropertiesHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DomesticTaxAuthorityAndStateAndLocalJurisdictionMember" abstract="true" name="DomesticTaxAuthorityAndStateAndLocalJurisdictionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TypeOfTaxCreditsCarryforwardAxis" abstract="true" name="TypeOfTaxCreditsCarryforwardAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="pnfp_TypeOfTaxCreditsCarryforwardDomain" abstract="true" name="TypeOfTaxCreditsCarryforwardDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_NetOperatingLossTaxCreditsCarryforwardMember" abstract="true" name="NetOperatingLossTaxCreditsCarryforwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_OtherTaxCreditsCarryforwardMember" abstract="true" name="OtherTaxCreditsCarryforwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CarryforwardsExpirationAxis" abstract="true" name="CarryforwardsExpirationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="pnfp_CarryforwardsExpirationDomain" abstract="true" name="CarryforwardsExpirationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TaxCarryforwardsExpirationPeriodOneMember" abstract="true" name="TaxCarryforwardsExpirationPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TaxCarryforwardsExpirationPeriodTwoMember" abstract="true" name="TaxCarryforwardsExpirationPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TaxCarryforwardsExpirationPeriodThreeMember" abstract="true" name="TaxCarryforwardsExpirationPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_TaxCarryforwardsExpirationPeriodFourMember" abstract="true" name="TaxCarryforwardsExpirationPeriodFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CorporateAndReconcilingItemsMember" abstract="true" name="CorporateAndReconcilingItemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_WholesaleBankingMember" abstract="true" name="WholesaleBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_CommunityBankingMember" abstract="true" name="CommunityBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_ConsumerBankingMember" abstract="true" name="ConsumerBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_FinancialManagementServicesMember" abstract="true" name="FinancialManagementServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_MedicalOfficeBuildingsLoansMember" abstract="true" name="MedicalOfficeBuildingsLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_ThirdPartyConsumerLoansMember" abstract="true" name="ThirdPartyConsumerLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnfp_NonInterestExpenseOtherOperating" abstract="false" name="NonInterestExpenseOtherOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EntityFullTimeEquivalentEmployees" abstract="false" name="EntityFullTimeEquivalentEmployees" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="pnfp_CashDueFromOtherDepositoryInstitutions" abstract="false" name="CashDueFromOtherDepositoryInstitutions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_InvestmentInConsolidatedBankSubsidiariesAtEquity" abstract="false" name="InvestmentInConsolidatedBankSubsidiariesAtEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_InvestmentInConsolidatedNonBankSubsidiariesAtEquity" abstract="false" name="InvestmentInConsolidatedNonBankSubsidiariesAtEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_NoteReceivableFromBankSubsidiary" abstract="false" name="NoteReceivableFromBankSubsidiary" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_CashDividendsReceivedFromBankSubsidiaries" abstract="false" name="CashDividendsReceivedFromBankSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_OtherIncomeLoss" abstract="false" name="OtherIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TotalIncome" abstract="false" name="TotalIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_TotalExpense" abstract="false" name="TotalExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_IncomeLossBeforeEquityInUndistributedNetIncomeLossOfSubsidiaries" abstract="false" name="IncomeLossBeforeEquityInUndistributedNetIncomeLossOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EquityInUndistributedIncomeLossFromContinuingOperationsOfSubsidiaries" abstract="false" name="EquityInUndistributedIncomeLossFromContinuingOperationsOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_OtherComprehensiveIncomeLossOfSubsidiariesNetOfTax" abstract="false" name="OtherComprehensiveIncomeLossOfSubsidiariesNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_EquityInUndistributedEarningsLossOfSubsidiaries" abstract="false" name="EquityInUndistributedEarningsLossOfSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_DividendsPaidToCommonAndPreferredShareholders" abstract="false" name="DividendsPaidToCommonAndPreferredShareholders" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnfp_RecapitalizationExchangeRatio" abstract="false" name="RecapitalizationExchangeRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
</xs:schema>
