<?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>0001832142</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001635088</issuerCik>
            <issuerName>ROIVANT SCIENCES LTD.</issuerName>
            <secFileNumber>001-40782</secFileNumber>
            <issuerAddress>
                <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                <ns2:city>London</ns2:city>
                <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                <ns2:zipCode>SW1H 0DB</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>442074003347</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DANIEL GOLD &amp; LAURA GOLD</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</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>991593</noOfUnitsSold>
            <aggregateMarketValue>11661133.68</aggregateMarketValue>
            <noOfUnitsOutstanding>739521824</noOfUnitsOutstanding>
            <approxSaleDate>09/25/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/06/2014</acquiredDate>
            <natureOfAcquisitionTransaction>Distribution from a Partnership</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1095970</amountOfSecuritiesAcquired>
            <paymentDate>05/06/2014</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Keith Manchester Revocable Trust</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>368052</amountOfSecuritiesSold>
            <grossProceeds>4281550.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BNEI ZAHAV LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>26434</amountOfSecuritiesSold>
            <grossProceeds>306105.72</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BNEI ZAHAV LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>11328</amountOfSecuritiesSold>
            <grossProceeds>132877.44</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DANIEL GOLD &amp; LAURA GOLD</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>1095970</amountOfSecuritiesSold>
            <grossProceeds>12691332.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DANIEL GOLD &amp; LAURA GOLD</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>469700</amountOfSecuritiesSold>
            <grossProceeds>5509581.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RIOJA DOLCE LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>188798</amountOfSecuritiesSold>
            <grossProceeds>2186280.84</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RIOJA DOLCE LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>80914</amountOfSecuritiesSold>
            <grossProceeds>949121.22</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RIOJA LIETO LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>188798</amountOfSecuritiesSold>
            <grossProceeds>2186280.84</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RIOJA LIETO LLC</name>
                <address>
                    <ns2:street1>50 Broadway 7th Floor</ns2:street1>
                    <ns2:city>London</ns2:city>
                    <ns2:stateOrCountry>X0</ns2:stateOrCountry>
                    <ns2:zipCode>SW1H 0DB</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/24/2024</saleDate>
            <amountOfSecuritiesSold>80914</amountOfSecuritiesSold>
            <grossProceeds>949121.22</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/25/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Daniel Allen Gold</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
