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

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2019-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>1</form4TransactionsReported>

    <issuer>
        <issuerCik>0001098151</issuerCik>
        <issuerName>FIDELITY D &amp; D BANCORP INC</issuerName>
        <issuerTradingSymbol>FDBC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249639</rptOwnerCik>
            <rptOwnerName>CALI BRIAN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1241 DECEMBER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DUNMORE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18512</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-06</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>L</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>212.24</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>340258.2781</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType></transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1033.7973</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>with children</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">First dividend reinvestment purchase date.  See footnote 2 a for complete list of dates.</footnote>
        <footnote id="F2">Purchase of dividend reinvestment shares at three (3) brokers as follows (Date Shares/Price per share): Broker (1)- 12/6/17 0.23/$43.04 &amp; 2.763/$43.00, 3/7/18 2.415/$49.49, 6/6/18 2.044/$58.76, 9/6/18 2.027/$59.49, 12/8/18 2.057/$63.76, 3/6/19 2.311/$56.99, 6/6/19 2.151/61.51, 9/6/19 2.286/$58.12 &amp; 12/08/19 2.146/$66.97.  Broker (2)- 3/9/18 23.177/$49.30, 6/8/18 19.137/$60.00, 9/10/18 19.5/$59.12, 12/10/18 20.47/$61.26, 3/8/19 22.49/$55.99, 6/10/19 19.877/$63.65, 9/10/19 21.894/$58.09, 12/10/19 20.347/$67.53. Broker (3)-  6/8/18 3.287/$60.60, 9/10/18 3.385/$59.08, 12/10/18 3.559/$61.12, 3/8/19 3.902/$55.98, 6/10/19 3.449/$63.63, 9/10/19 3.804/$57.93 &amp; 12/10/19 3.532/$67.49.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>John Pash</signatureName>
        <signatureDate>2020-02-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
