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    <schemaVersion>X0707</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001580808</cik>
        <entityName>A10 Networks, Inc.</entityName>
        <issuerAddress>
            <street1>3 WEST PLUMERIA DRIVE</street1>
            <city>SAN JOSE</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>95134</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(408) 325-8668</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2013</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <middleName>Y.</middleName>
                <lastName>Chung</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
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        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Cochran</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lee</firstName>
                <lastName>Chen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
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                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Alan</firstName>
                <middleName>S.</middleName>
                <lastName>Henricks</lastName>
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            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
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                <firstName>Phillip</firstName>
                <middleName>J.</middleName>
                <lastName>Salsbury</lastName>
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                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Rajkumar</firstName>
                <lastName>Jalan</lastName>
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            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Greg</firstName>
                <lastName>Straughn</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ray</firstName>
                <lastName>Smets</lastName>
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            <relatedPersonAddress>
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                <stateOrCountry>CA</stateOrCountry>
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                <zipCode>95134</zipCode>
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            <relatedPersonRelationshipList>
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            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Neil</firstName>
                <middleName>Wu</middleName>
                <lastName>Becker</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3 West Plumeria Drive</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95134</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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        </relatedPersonInfo>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Telecommunications</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2016-06-23</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>1505415</totalOfferingAmount>
            <totalAmountSold>1505415</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>A10 Networks, Inc.</issuerName>
                <signatureName>/s/ Robert Cochran</signatureName>
                <nameOfSigner>Robert Cochran</nameOfSigner>
                <signatureTitle>Secretary</signatureTitle>
                <signatureDate>2016-07-07</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>