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                <filerCredentials>
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                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
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            <liveTestFlag>LIVE</liveTestFlag>



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            <issuerName>ALPHA AND OMEGA SEMICONDUCTOR LIMITED</issuerName>
            <secFileNumber>001-34717</secFileNumber>
            <issuerAddress>
                <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                <ns2:city>Hamilton</ns2:city>
                <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                <ns2:zipCode>HM 11</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 830-9742</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BING XUE</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>4401</noOfUnitsSold>
            <aggregateMarketValue>90468.72</aggregateMarketValue>
            <noOfUnitsOutstanding>28278413</noOfUnitsOutstanding>
            <approxSaleDate>03/20/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>03/15/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4401</amountOfSecuritiesAcquired>
            <paymentDate>03/15/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BING XUE</name>
                <address>
                    <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                    <ns2:city>Hamilton</ns2:city>
                    <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                    <ns2:zipCode>HM 11</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>02/14/2024</saleDate>
            <amountOfSecuritiesSold>14292</amountOfSecuritiesSold>
            <grossProceeds>325377.39</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BING XUE</name>
                <address>
                    <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                    <ns2:city>Hamilton</ns2:city>
                    <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                    <ns2:zipCode>HM 11</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>01/16/2024</saleDate>
            <amountOfSecuritiesSold>1341</amountOfSecuritiesSold>
            <grossProceeds>35080.56</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/20/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>09/14/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/a/ Bing Xue</signature>
        </noticeSignature>
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144
0001787488
XXXXXXXX
LIVE
0001387467
ALPHA AND OMEGA SEMICONDUCTOR LIMITED
001-34717
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
(408) 830-9742
BING XUE
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
4401
90468.72
28278413
03/20/2024
NASDAQ
COMMON
03/15/2024
Restricted Stock
ISSUER
N
4401
03/15/2024
Not Applicable
N
BING XUE
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
Common
02/14/2024
14292
325377.39
BING XUE
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
Common
01/16/2024
1341
35080.56
03/20/2024
09/14/2023
/a/ Bing Xue