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>5600</noOfUnitsSold>
        <aggregateMarketValue>767144</aggregateMarketValue>
        <noOfUnitsOutstanding>381922067</noOfUnitsOutstanding>
        <approxSaleDate>07/10/2024</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>5600</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>
      <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>06/04/2024</saleDate>
        <amountOfSecuritiesSold>2800</amountOfSecuritiesSold>
        <grossProceeds>381965.37</grossProceeds>
      </securitiesSoldInPast3Months>
      <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>07/06/2024</saleDate>
        <amountOfSecuritiesSold>2800</amountOfSecuritiesSold>
        <grossProceeds>388077.88</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The shares filed today will be sold by the Bradford H. Warner 2002 Trust,  Bradford H. Warner as Trustee</remarks>
      <noticeSignature>
        <noticeDate>07/10/2024</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": 5078}]
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
  5600
  767144
  381922067
  07/10/2024
  NYSE
  Common Stock
  05/24/2024
  Transfer
  Bradford H. Warner, who acquired the shares from compensation over one year ago
  N
  5600
  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
  Bradford H. Warner
  C/o Capital One Financial Corporation
  1680 Capital One Drive
  McLean
  VA
  22102
  Common Stock
  06/04/2024
  2800
  381965.37
  Bradford H. Warner
  C/o Capital One Financial Corporation
  1680 Capital One Drive
  McLean
  VA
  22102
  Common Stock
  07/06/2024
  2800
  388077.88
  The shares filed today will be sold by the Bradford H. Warner 2002 Trust,  Bradford H. Warner as Trustee
  07/10/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Bradford H. Warner