content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001771167</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001562088</issuerCik>
        <issuerName>Duolingo, Inc.</issuerName>
        <secFileNumber>001-40653</secFileNumber>
        <issuerAddress>
          <com:street1>5900 PENN AVE, SECOND FLOOR</com:street1>
          <com:city>PITTSBURGH</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>15206</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(412) 347-6116</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CapitalG 2015 LP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Shareholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill</name>
          <address>
            <com:street1>555 California Street</com:street1>
            <com:street2>Floor 28</com:street2>
            <com:city>San Francisco</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94104</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>59985</noOfUnitsSold>
        <aggregateMarketValue>8510671.80</aggregateMarketValue>
        <noOfUnitsOutstanding>32201681</noOfUnitsOutstanding>
        <approxSaleDate>04/20/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <acquiredDate>05/21/2015</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>59985</amountOfSecuritiesAcquired>
        <paymentDate>05/21/2015</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>Please see documents for shares sold in previous three months</remarks>
      <noticeSignature>
        <noticeDate>04/20/2023</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>09/09/2021</planAdoptionDate>
        </planAdoptionDates>
        <signature>Jeremiah Gordon</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2943}]
text: 144
  0001771167
  XXXXXXXX
  LIVE
  0001562088
  Duolingo, Inc.
  001-40653
  5900 PENN AVE, SECOND FLOOR
  PITTSBURGH
  PA
  15206
  (412) 347-6116
  CapitalG 2015 LP
  Shareholder
  Class A
  Merrill
  555 California Street
  Floor 28
  San Francisco
  CA
  94104
  59985
  8510671.80
  32201681
  04/20/2023
  NASDAQ
  Class A
  05/21/2015
  Private Placement
  Issuer
  N
  59985
  05/21/2015
  Cash
  Y
  Please see documents for shares sold in previous three months
  04/20/2023
  09/09/2021
  Jeremiah Gordon