<?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>67317</noOfUnitsSold>
            <aggregateMarketValue>1481647.17</aggregateMarketValue>
            <noOfUnitsOutstanding>291012402</noOfUnitsOutstanding>
            <approxSaleDate>09/09/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>09/05/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>23567</amountOfSecuritiesAcquired>
            <paymentDate>09/05/2024</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>09/09/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>43750</amountOfSecuritiesAcquired>
            <paymentDate>09/09/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for RIC SMITH </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>09/06/2024</saleDate>
            <amountOfSecuritiesSold>3018</amountOfSecuritiesSold>
            <grossProceeds>67016.20</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for RIC SMITH </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>09/03/2024</saleDate>
            <amountOfSecuritiesSold>14584</amountOfSecuritiesSold>
            <grossProceeds>335249.70</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for RIC SMITH </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>07/25/2024</saleDate>
            <amountOfSecuritiesSold>14583</amountOfSecuritiesSold>
            <grossProceeds>343221.11</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for RIC SMITH </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>
        <remarks>The securities to be sold will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment will be the dates of exercise/sale.&#13;
</remarks>
        <noticeSignature>
            <noticeDate>09/09/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>04/05/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Ric Smith</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 6982}]
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
67317
1481647.17
291012402
09/09/2024
NYSE
Common
09/05/2024
Restricted Stock Units
Issuer
N
23567
09/05/2024
N/A
Common
09/09/2024
Exercise of Stock Options
Issuer
N
43750
09/09/2024
Cash
N
10b5-1 Sales for RIC SMITH
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
09/06/2024
3018
67016.20
10b5-1 Sales for RIC SMITH
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
09/03/2024
14584
335249.70
10b5-1 Sales for RIC SMITH
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
07/25/2024
14583
343221.11
10b5-1 Sales for RIC SMITH
444 Castro Street, Suite 400
Mountain View
CA
94041
Common
07/05/2024
99502
1999590.96
The securities to be sold will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment will be the dates of exercise/sale.
09/09/2024
04/05/2024
/s/ Ric Smith