<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001265677</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>
</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001816581</issuerCik>
<issuerName>Ouster, Inc.</issuerName>
<secFileNumber>001-39463</secFileNumber>
<issuerAddress>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</issuerAddress>
<issuerContactPhone>415-949-0108</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Mark Weinswig</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>ETRADE FINANCIAL CORPORATION</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">3 EDISON DRIVE</street1>
<city xmlns="http://www.sec.gov/edgar/common">ALPHARETTA</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">GA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">30005</zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>590</noOfUnitsSold>
<aggregateMarketValue>5522.4</aggregateMarketValue>
<noOfUnitsOutstanding>50866423</noOfUnitsOutstanding>
<approxSaleDate>11/29/2024</approxSaleDate>
<securitiesExchangeName>NYSE</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>11/28/2024</acquiredDate>
<natureOfAcquisitionTransaction>Restricted stock awarded under incentive award plan</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>1438</amountOfSecuritiesAcquired>
<paymentDate>02/10/2023</paymentDate>
<natureOfPayment>Services rendered</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Mark Weinswig</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>08/29/2024</saleDate>
<amountOfSecuritiesSold>519</amountOfSecuritiesSold>
<grossProceeds>3814.65</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Mark Weinswig</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>09/12/2024</saleDate>
<amountOfSecuritiesSold>2540</amountOfSecuritiesSold>
<grossProceeds>15654.78</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Mark Weinswig</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>11/20/2024</saleDate>
<amountOfSecuritiesSold>24220</amountOfSecuritiesSold>
<grossProceeds>211353.41</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Mark Weinswig</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>11/20/2024</saleDate>
<amountOfSecuritiesSold>7177</amountOfSecuritiesSold>
<grossProceeds>62554.01</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Mark Weinswig</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
<city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>11/20/2024</saleDate>
<amountOfSecuritiesSold>4460</amountOfSecuritiesSold>
<grossProceeds>39749.75</grossProceeds>
</securitiesSoldInPast3Months>
<remarks>Shares to be sold to cover withholding taxes upon vesting of restricted stock award in a trade that will be initiated by the Issuer on the Reporting Person's behalf.</remarks>
<noticeSignature>
<noticeDate>11/29/2024</noticeDate>
<signature>/s/ Mark Weinswig</signature>
</noticeSignature>
</formData>
</edgarSubmission>
