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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2019-05-16</periodOfReport>

    <dateOfOriginalSubmission>2019-05-20</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001668105</issuerCik>
        <issuerName>Talend S.A.</issuerName>
        <issuerTradingSymbol>TLND</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001648231</rptOwnerCik>
            <rptOwnerName>Lillie Brian</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TALEND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>800 BRIDGE PARKWAY, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>REDWOOD CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94065</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-employee Warrant (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>47.62</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-05-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10680</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.42</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-05-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10680</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10680</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The exercise price of the non-employee warrant is 42.58 Euros. The U.S. dollar equivalent of the exercise price is $47.62 using the European Central Bank rate as of December 31, 2018 (1.00 = $1.1183).</footnote>
        <footnote id="F2">The Ordinary Shares underlying the warrant vest in four equal quarterly installments beginning on August 16, 2019.</footnote>
        <footnote id="F3">The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.</footnote>
        <footnote id="F4">The subscription price of the non-employee warrant is 2.16 Euros per warrant. The U.S. dollar equivalent of the subscription price is $2.42 using the European Central Bank rate as of December 31, 2018 (1.00 = $1.1183).</footnote>
    </footnotes>

    <remarks>This amendment on Form 4 is filed to: (1) adjust an overstatement of 1,307 ordinary shares in Columns 5, 7 and 9 of Table II in a Form 4 filed on May 20, 2019 (the &quot;Original Form 4&quot;); and (2) include the information required by Column 8 of Table II, which was inadvertently omitted in the Original Form 4.</remarks>

    <ownerSignature>
        <signatureName>/s/ Aaron Ross, by power of attorney</signatureName>
        <signatureDate>2020-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
