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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-04-12</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001614184</issuerCik>
        <issuerName>Cadence Bancorporation</issuerName>
        <issuerTradingSymbol>CADE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185201</rptOwnerCik>
            <rptOwnerName>MURPHY PAUL B JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CADENCE BANCORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2800 POST OAK BOULEVARD, SUITE 3800</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Performance-Based Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>172500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Consists of 172,500 performance-based restricted stock units (&quot;PBRSUs&quot;) granted on November 30, 2016, which vest for an equal number of shares of Class A common stock if the fair market value of such shares (the &quot;Cadence Stock Price&quot;) as of December 31, 2018 is equal to $24.12 per share, with no shares vesting if the Cadence Stock Price as of December 31, 2018 is less than $21.77 per share and up to 1.75 times such number of shares vesting if Cadence Stock Price as of December 31, 2018 is equal to or greater than $27.55 per share.  Vesting of the PBRSUs is also subject to continued service through the date on which the audit of the financial statements of Cadence Bancorporation for the 2018 fiscal year is complete.</footnote>
    </footnotes>

    <remarks>Chairman and Chief Executive Officer</remarks>

    <ownerSignature>
        <signatureName>PAUL B. MURPHY, JR., /s/ Paul B. Murphy, Jr.</signatureName>
        <signatureDate>2017-04-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
