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>0001238032</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>877-383-4802</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Richard D. Fairbank</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director and Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>BNY Mellon Securities Corporation</name>
          <address>
            <com:street1>133 Glenn Curtiss Boulevard</com:street1>
            <com:city>Uniondale</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>11556</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3015</noOfUnitsSold>
        <aggregateMarketValue>404225.57</aggregateMarketValue>
        <noOfUnitsOutstanding>381856146</noOfUnitsOutstanding>
        <approxSaleDate>08/08/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Financial Services / The Finnerty Group</name>
          <address>
            <com:street1>1501 K Street NW, #1100</com:street1>
            <com:city>Washington</com:city>
            <com:stateOrCountry>DC</com:stateOrCountry>
            <com:zipCode>20005</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1058</noOfUnitsSold>
        <aggregateMarketValue>201488</aggregateMarketValue>
        <noOfUnitsOutstanding>381856146</noOfUnitsOutstanding>
        <approxSaleDate>08/14/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/17/2009</acquiredDate>
        <natureOfAcquisitionTransaction>Equity award issuances by Capital One Financial Corporation</natureOfAcquisitionTransaction>
        <isGiftTransaction>Y</isGiftTransaction>
        <donarAcquiredDate>05/03/2021</donarAcquiredDate>
        <amountOfSecuritiesAcquired>3015</amountOfSecuritiesAcquired>
        <natureOfPayment>Cashless exercise of vested options</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/17/2009</acquiredDate>
        <natureOfAcquisitionTransaction>Equity award issuances by Capital One Financial Corporation</natureOfAcquisitionTransaction>
        <isGiftTransaction>Y</isGiftTransaction>
        <donarAcquiredDate>05/03/2021</donarAcquiredDate>
        <amountOfSecuritiesAcquired>1508</amountOfSecuritiesAcquired>
        <natureOfPayment>Cashless exercise of vested options</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stanford University</name>
          <address>
            <com:street1>450 Jane Stanford Way</com:street1>
            <com:city>Stanford</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94305</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/08/2024</saleDate>
        <amountOfSecuritiesSold>3015</amountOfSecuritiesSold>
        <grossProceeds>404225.57</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Georgetown University</name>
          <address>
            <com:street1>2115 Wisconsin Avenue NW, Suite 500</com:street1>
            <com:city>Washington</com:city>
            <com:stateOrCountry>DC</com:stateOrCountry>
            <com:zipCode>20007</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/14/2024</saleDate>
        <amountOfSecuritiesSold>1058</amountOfSecuritiesSold>
        <grossProceeds>201488</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>Richard Fairbank, who had beneficial ownership under Section 13 of certain shares of common stock donated to, and held by the Fairbank Foundation, donated via the Fairbank Foundation, 3,015 shares to Stanford University, and 1,058 shares to Georgetown University on August 7, 2024,  which were subsequently sold by Stanford University and Georgetown University on the dates and quantities stated herein.</remarks>
      <noticeSignature>
        <noticeDate>08/29/2024</noticeDate>
        <signature>/s/ Jason Frank (PoA on file)</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5744}]
text: 144
  0001238032
  XXXXXXXX
  LIVE
  0000927628
  Capital One Financial Corporation
  001-13300
  1680 Capital One Drive
  McLean
  VA
  22102
  877-383-4802
  Richard D. Fairbank
  Director and Officer
  Common Stock
  BNY Mellon Securities Corporation
  133 Glenn Curtiss Boulevard
  Uniondale
  NY
  11556
  3015
  404225.57
  381856146
  08/08/2024
  NYSE
  Common Stock
  UBS Financial Services / The Finnerty Group
  1501 K Street NW, #1100
  Washington
  DC
  20005
  1058
  201488
  381856146
  08/14/2024
  NYSE
  Common Stock
  02/17/2009
  Equity award issuances by Capital One Financial Corporation
  Y
  05/03/2021
  3015
  Cashless exercise of vested options
  Common Stock
  02/17/2009
  Equity award issuances by Capital One Financial Corporation
  Y
  05/03/2021
  1508
  Cashless exercise of vested options
  N
  Stanford University
  450 Jane Stanford Way
  Stanford
  CA
  94305
  Common
  08/08/2024
  3015
  404225.57
  Georgetown University
  2115 Wisconsin Avenue NW, Suite 500
  Washington
  DC
  20007
  Common
  08/14/2024
  1058
  201488
  Richard Fairbank, who had beneficial ownership under Section 13 of certain shares of common stock donated to, and held by the Fairbank Foundation, donated via the Fairbank Foundation, 3,015 shares to Stanford University, and 1,058 shares to Georgetown University on August 7, 2024,  which were subsequently sold by Stanford University and Georgetown University on the dates and quantities stated herein.
  08/29/2024
  /s/ Jason Frank (PoA on file)