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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2003-07-30</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001255821</issuerCik>
        <issuerName>NUVEEN DIVERSIFIED DIVIDEND &amp; INCOME FUND</issuerName>
        <issuerTradingSymbol>JDD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001068829</rptOwnerCik>
            <rptOwnerName>SECURITY CAPITAL RESEARCH &amp; MANAGEMENT INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10 SOUTH DEARBORN STREET, SUITE 1400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60603</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Investment Sub-Advisor</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>This filing is being made to reflect information that was inadvertently not filed at the time of the event giving rise to the filing requirement.  It is correct both as of the date of the event requiring statement listed on the form and as of the date of the filing.  Moreover, the reporting person is not, and has not been at any time since the date of the event requiring statement, a direct or an indirect beneficial owner of any shares of the Issuer.</remarks>

    <ownerSignature>
        <signatureName>/s/ Michael J. Heller, Managing Director</signatureName>
        <signatureDate>2019-08-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
