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    <issuerInfo>
      <issuerCik>0000927628</issuerCik>
      <issuerName>CAPITAL ONE FINANCIAL CORP</issuerName>
      <secFileNumber>001-13300</secFileNumber>
      <issuerAddress>
        <com:street1>1680 CAPITAL ONE DRIVE</com:street1>
        <com:street2>SUITE 1400</com:street2>
        <com:city>MCLEAN</com:city>
        <com:stateOrCountry>VA</com:stateOrCountry>
        <com:zipCode>22102</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>7037201000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Dean Lia</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>15485</noOfUnitsSold>
      <aggregateMarketValue>2253068.00</aggregateMarketValue>
      <noOfUnitsOutstanding>380212220</noOfUnitsOutstanding>
      <approxSaleDate>04/30/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/15/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>15485</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2021</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>15,485 shares to be sold acquired in various lots between 02/15/2021 - 01/31/2023 Shares are to be sold in LIA NADIA DEAN REVOCABLE TRUST - Lia Dean TTEE</remarks>
    <noticeSignature>
      <noticeDate>04/30/2024</noticeDate>
      <signature>Lia Dean</signature>
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144
0001741273
XXXXXXXX
LIVE
0000927628
CAPITAL ONE FINANCIAL CORP
001-13300
1680 CAPITAL ONE DRIVE
SUITE 1400
MCLEAN
VA
22102
7037201000
Dean Lia
Officer
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
15485
2253068.00
380212220
04/30/2024
NYSE
Common
02/15/2021
Restricted Stock Award
Issuer
N
15485
02/15/2021
Equity Compensation
Y
15,485 shares to be sold acquired in various lots between 02/15/2021 - 01/31/2023 Shares are to be sold in LIA NADIA DEAN REVOCABLE TRUST - Lia Dean TTEE
04/30/2024
Lia Dean