<?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>0002058056</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001769628</issuerCik>
            <issuerName>COREWEAVE INC</issuerName>
            <secFileNumber>001-42563</secFileNumber>
            <issuerAddress>
                <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                <ns2:city>Livingston</ns2:city>
                <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                <ns2:zipCode>07039</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>9732709737</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CHEN GOLDBERG</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>6397</noOfUnitsSold>
            <aggregateMarketValue>673348.22</aggregateMarketValue>
            <noOfUnitsOutstanding>458871690</noOfUnitsOutstanding>
            <approxSaleDate>08/17/2026</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/05/2026</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>6397</amountOfSecuritiesAcquired>
            <paymentDate>05/05/2026</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/05/2026</saleDate>
            <amountOfSecuritiesSold>19208</amountOfSecuritiesSold>
            <grossProceeds>1772706.32</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/04/2026</saleDate>
            <amountOfSecuritiesSold>6397</amountOfSecuritiesSold>
            <grossProceeds>575735.76</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/30/2026</saleDate>
            <amountOfSecuritiesSold>4</amountOfSecuritiesSold>
            <grossProceeds>382.76</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/15/2026</saleDate>
            <amountOfSecuritiesSold>5541</amountOfSecuritiesSold>
            <grossProceeds>594471.73</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/20/2026</saleDate>
            <amountOfSecuritiesSold>8627</amountOfSecuritiesSold>
            <grossProceeds>861147.14</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for CHEN GOLDBERG</name>
                <address>
                    <ns2:street1>290 W Mt. Pleasant Ave. Suite 4100</ns2:street1>
                    <ns2:city>Livingston</ns2:city>
                    <ns2:stateOrCountry>NJ</ns2:stateOrCountry>
                    <ns2:zipCode>07039</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/20/2026</saleDate>
            <amountOfSecuritiesSold>5541</amountOfSecuritiesSold>
            <grossProceeds>560439.46</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/17/2026</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>11/20/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Chen Goldberg</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
