content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001195086</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000927628</issuerCik>
        <issuerName>Capital One Financial Corporation</issuerName>
        <secFileNumber>001-13300</secFileNumber>
        <issuerAddress>
          <com:street1>1680 Capital One Drive</com:street1>
          <com:city>McLean</com:city>
          <com:stateOrCountry>VA</com:stateOrCountry>
          <com:zipCode>22102</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>703-720-1000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bradford H. Warner</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Former Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue</com:street1>
            <com:street2>6th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>8200</noOfUnitsSold>
        <aggregateMarketValue>1110854</aggregateMarketValue>
        <noOfUnitsOutstanding>381922067</noOfUnitsOutstanding>
        <approxSaleDate>06/04/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>05/24/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Transfer</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Bradford H. Warner, who acquired the shares from compensation over one year ago</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8200</amountOfSecuritiesAcquired>
        <paymentDate>05/24/2024</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Bradford H. Warner</name>
          <address>
            <com:street1>C/o Capital One Financial Corporation</com:street1>
            <com:street2>1680 Capital One Drive</com:street2>
            <com:city>McLean</com:city>
            <com:stateOrCountry>VA</com:stateOrCountry>
            <com:zipCode>22102</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>05/06/2024</saleDate>
        <amountOfSecuritiesSold>28000</amountOfSecuritiesSold>
        <grossProceeds>4011652</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The shares covered by this filing reflect the covering of 82 contracts by the use of 8,200 shares of Capital One Financial Corporation control stock.  The shares filed today will be sold by the Bradford H. Warner 2002 Trust,  Bradford H. Warner as Trustee</remarks>
      <noticeSignature>
        <noticeDate>06/04/2024</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Bradford H. Warner</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3890}]
text: 144
  0001195086
  XXXXXXXX
  LIVE
  0000927628
  Capital One Financial Corporation
  001-13300
  1680 Capital One Drive
  McLean
  VA
  22102
  703-720-1000
  Bradford H. Warner
  Former Officer
  Common Stock
  J.P. Morgan Securities LLC
  390 Madison Avenue
  6th Floor
  New York
  NY
  10017
  8200
  1110854
  381922067
  06/04/2024
  NYSE
  Common Stock
  05/24/2024
  Transfer
  Bradford H. Warner, who acquired the shares from compensation over one year ago
  N
  8200
  05/24/2024
  N/A
  N
  Bradford H. Warner
  C/o Capital One Financial Corporation
  1680 Capital One Drive
  McLean
  VA
  22102
  Common Stock
  05/06/2024
  28000
  4011652
  The shares covered by this filing reflect the covering of 82 contracts by the use of 8,200 shares of Capital One Financial Corporation control stock.  The shares filed today will be sold by the Bradford H. Warner 2002 Trust,  Bradford H. Warner as Trustee
  06/04/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Bradford H. Warner