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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-10-27</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001036044</issuerCik>
        <issuerName>Identiv, Inc.</issuerName>
        <issuerTradingSymbol>INVE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001459708</rptOwnerCik>
            <rptOwnerName>21 APRIL FUND, LTD.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CITCO FUND SERVICES (CAYMAN ISLANDS) LTD</rptOwnerStreet1>
            <rptOwnerStreet2>REGATTA OFFICE PARK WEST BAY ROAD</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1205</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001325447</rptOwnerCik>
            <rptOwnerName>First Eagle Investment Management, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1345 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>44TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001637141</rptOwnerCik>
            <rptOwnerName>First Eagle Holdings, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1345 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1474732</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>483772</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 3 is filed by 21 April Ltd. (&quot;April Ltd.&quot;), First Eagle Investment Management, LLC (&quot;FEIM&quot;) and First Eagle Holdings, Inc. (&quot;FEHI&quot; and, collectively with April Ltd. and FEIM, the &quot;Entities&quot;). The Entities disclaim status as a &quot;group&quot; for purposes of this Form 3.</footnote>
        <footnote id="F2">The shares of Common Stock reported herein are indirectly beneficially owned by FEHI and FEIM, a Delaware limited liability company and an investment adviser registered under the Investment Advisers Act of 1940. FEIM is (i) the registered investment adviser to April Ltd., and (ii) a subsidiary of FEHI. FEHI disclaims Section 16 beneficial ownership of these shares except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that FEHI is the Section 16 beneficial owner of any such securities.</footnote>
        <footnote id="F3">These shares are indirectly owned by FEIM, as registered investment adviser to accounts other than April Ltd., and FEHI.  FEIM and FEHI disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that FEIM and FEHI are the beneficial owners of the securities for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>FIRST EAGLE HOLDINGS, INC., By: /s/ Michael M. Kellen, Director</signatureName>
        <signatureDate>2017-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>FIRST EAGLE INVESTMENT MANAGEMENT, LLC, Investment Adviser of 21 April Ltd., By: /s/ Michael M. Kellen, Director</signatureName>
        <signatureDate>2017-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>FIRST EAGLE INVESTMENT MANAGEMENT, LLC, By: /s/ Michael M. Kellen, Director</signatureName>
        <signatureDate>2017-10-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
