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            <filer>
                <filerCredentials>
                    <cik>0001869669</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
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    <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>4125676602</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MATTHEW SKARUPPA</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>24000</noOfUnitsSold>
            <aggregateMarketValue>4593600.00</aggregateMarketValue>
            <noOfUnitsOutstanding>36989041</noOfUnitsOutstanding>
            <approxSaleDate>06/03/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>06/03/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>24000</amountOfSecuritiesAcquired>
            <paymentDate>06/03/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</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>05/17/2024</saleDate>
            <amountOfSecuritiesSold>2698</amountOfSecuritiesSold>
            <grossProceeds>478332.47</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MATTHEW SKARUPPA</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>05/17/2024</saleDate>
            <amountOfSecuritiesSold>2469</amountOfSecuritiesSold>
            <grossProceeds>435087.18</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</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>05/01/2024</saleDate>
            <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
            <grossProceeds>1787708.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</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>04/01/2024</saleDate>
            <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
            <grossProceeds>1747152.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were and will be received upon the exercise of stock options over the next three months.&#13;
The date of acquisition and payment was and will be the date of exercise/sale.&#13;
</remarks>
        <noticeSignature>
            <noticeDate>06/03/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>06/09/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Matthew Skaruppa</signature>
        </noticeSignature>
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144
0001869669
XXXXXXXX
LIVE
0001562088
Duolingo, Inc.
001-40653
5900 Penn Avenue
Pittsburgh
PA
15206
4125676602
MATTHEW SKARUPPA
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
24000
4593600.00
36989041
06/03/2024
NASDAQ
Common
06/03/2024
Exercise of Stock Options
Issuer
N
24000
06/03/2024
Cash
N
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
05/17/2024
2698
478332.47
MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
05/17/2024
2469
435087.18
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
05/01/2024
8000
1787708.00
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
04/01/2024
8000
1747152.80
The securities to be sold were and will be received upon the exercise of stock options over the next three months.
The date of acquisition and payment was and will be the date of exercise/sale.
06/03/2024
06/09/2023
/s/ Matthew Skaruppa