<?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>0001866450</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001583708</issuerCik>
            <issuerName>SENTINELONE INC</issuerName>
            <secFileNumber>001-40531</secFileNumber>
            <issuerAddress>
                <ns2:street1>444 Castro Street, Suite 400</ns2:street1>
                <ns2:city>Mountain View </ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94041</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8558683733</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>RIC SMITH</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>29167</noOfUnitsSold>
            <aggregateMarketValue>682799.47</aggregateMarketValue>
            <noOfUnitsOutstanding>286659799</noOfUnitsOutstanding>
            <approxSaleDate>07/25/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/25/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>29167</amountOfSecuritiesAcquired>
            <paymentDate>07/25/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for RICHARD A SMITH JR.</name>
                <address>
                    <ns2:street1>444 Castro Street, Suite 400</ns2:street1>
                    <ns2:city>Mountain View </ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94041</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>07/05/2024</saleDate>
            <amountOfSecuritiesSold>99502</amountOfSecuritiesSold>
            <grossProceeds>1999590.96</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RICHARD A SMITH JR.</name>
                <address>
                    <ns2:street1>444 Castro Street, Suite 400</ns2:street1>
                    <ns2:city>Mountain View </ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94041</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/06/2024</saleDate>
            <amountOfSecuritiesSold>24467</amountOfSecuritiesSold>
            <grossProceeds>423279.10</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RICHARD A SMITH JR.</name>
                <address>
                    <ns2:street1>444 Castro Street, Suite 400</ns2:street1>
                    <ns2:city>Mountain View </ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94041</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/06/2024</saleDate>
            <amountOfSecuritiesSold>3135</amountOfSecuritiesSold>
            <grossProceeds>66650.10</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.&#13;
</remarks>
        <noticeSignature>
            <noticeDate>07/25/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>04/05/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Ric Smith</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001866450
XXXXXXXX
LIVE
0001583708
SENTINELONE INC
001-40531
444 Castro Street, Suite 400
Mountain View
CA
94041
8558683733
RIC SMITH
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
29167
682799.47
286659799
07/25/2024
NYSE
Common
07/25/2024
Exercise of Stock Options
Issuer
N
29167
07/25/2024
Cash
N
10b5-1 Sales for RICHARD A SMITH JR.
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
07/05/2024
99502
1999590.96
RICHARD A SMITH JR.
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
06/06/2024
24467
423279.10
RICHARD A SMITH JR.
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
05/06/2024
3135
66650.10
The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
07/25/2024
04/05/2024
/s/ Ric Smith