<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001870350</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>
                <ns2:street1>5900 Penn Avenue</ns2:street1>
                <ns2:city>Pittsburgh</ns2:city>
                <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                <ns2:zipCode>15206</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(412) 567-6602</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>NATALIE GLANCE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>2534</noOfUnitsSold>
            <aggregateMarketValue>450931.64</aggregateMarketValue>
            <noOfUnitsOutstanding>40013533</noOfUnitsOutstanding>
            <approxSaleDate>11/17/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/15/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2534</amountOfSecuritiesAcquired>
            <paymentDate>11/15/2025</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>600</amountOfSecuritiesSold>
            <grossProceeds>191854.02</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>600</amountOfSecuritiesSold>
            <grossProceeds>190773.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>600</amountOfSecuritiesSold>
            <grossProceeds>183903.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>475</amountOfSecuritiesSold>
            <grossProceeds>144278.50</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>300</amountOfSecuritiesSold>
            <grossProceeds>94584.99</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>300</amountOfSecuritiesSold>
            <grossProceeds>95021.01</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>200</amountOfSecuritiesSold>
            <grossProceeds>61018.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>108</amountOfSecuritiesSold>
            <grossProceeds>33776.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>10/01/2025</saleDate>
            <amountOfSecuritiesSold>100</amountOfSecuritiesSold>
            <grossProceeds>30056.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>08/18/2025</saleDate>
            <amountOfSecuritiesSold>900</amountOfSecuritiesSold>
            <grossProceeds>329543.01</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>08/18/2025</saleDate>
            <amountOfSecuritiesSold>702</amountOfSecuritiesSold>
            <grossProceeds>257944.35</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>08/18/2025</saleDate>
            <amountOfSecuritiesSold>400</amountOfSecuritiesSold>
            <grossProceeds>147946.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>08/18/2025</saleDate>
            <amountOfSecuritiesSold>300</amountOfSecuritiesSold>
            <grossProceeds>109392.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>NATALIE GLANCE</name>
                <address>
                    <ns2:street1>5900 Penn Avenue</ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>08/18/2025</saleDate>
            <amountOfSecuritiesSold>169</amountOfSecuritiesSold>
            <grossProceeds>62265.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/17/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Natalie Glance</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
