<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2011-03-11</periodOfReport>

    <dateOfOriginalSubmission>2011-03-07</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001094739</issuerCik>
        <issuerName>FINISAR CORP</issuerName>
        <issuerTradingSymbol>FNSR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001511115</rptOwnerCik>
            <rptOwnerName>CLARK JOHN H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1389 MOFFETT PARK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94089-1134</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Exective VP Technology &amp; R&amp;D</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-03-11</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2011-03-11</value>
                <footnoteId id="F1"/>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000.0000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20000.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4/A amends a Form 4 filed March 07, 2011 while the RSU grant was approved by the Company's Compensation Committee on March 03, 2011 at its regularly scheduled quarterly meeting, in accordance with the Committee's resolutions and the Company's policy with respect to stock award grants, all such grants are effective on the third trading day following the Company's quarterly earnings announcement.</footnote>
        <footnote id="F2">These shares represent restricted stock units granted to the reporting person. The units shall vest and become exercisable, and each RSU shall vest, subject to the Optionee?s Continued service, with respect to twenty-five percent (25%) of the Shares subject to such option or RSU on the first anniversary of the Effective Date and with respect to an additional twenty-five percent (25%) of such shares on each of the next three (3) anniversaries of the Effective Date. In this case, such date was March 11, 2011. The original Form 4 was inadvertently filed early.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Girija Karumanchi as Attorney-in-fact for</signatureName>
        <signatureDate>2011-03-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
