<SEC-DOCUMENT>0001628280-18-006258.txt : 20180508
<SEC-HEADER>0001628280-18-006258.hdr.sgml : 20180508
<ACCEPTANCE-DATETIME>20180508162626
ACCESSION NUMBER:		0001628280-18-006258
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180508
FILED AS OF DATE:		20180508
DATE AS OF CHANGE:		20180508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Taylor Steven Lewis
		CENTRAL INDEX KEY:			0001738146

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38487
		FILM NUMBER:		18815005

	MAIL ADDRESS:	
		STREET 1:		500 SOUTH SERVICE ROAD EAST
		CITY:			RUSTON
		STATE:			LA
		ZIP:			71270

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Origin Bancorp, Inc.
		CENTRAL INDEX KEY:			0001516912
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				721192928
		STATE OF INCORPORATION:			LA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1511 N. TRENTON STREET
		CITY:			RUSTON
		STATE:			LA
		ZIP:			71270
		BUSINESS PHONE:		318-242-7500

	MAIL ADDRESS:	
		STREET 1:		1511 N. TRENTON STREET
		CITY:			RUSTON
		STATE:			LA
		ZIP:			71270

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Community Trust Financial Corp
		DATE OF NAME CHANGE:	20110329
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_152581115843352.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-05-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001516912</issuerCik>
        <issuerName>Origin Bancorp, Inc.</issuerName>
        <issuerTradingSymbol>OBNK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001738146</rptOwnerCik>
            <rptOwnerName>Taylor Steven Lewis</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 SOUTH SERVICE ROAD EAST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RUSTON</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>71270</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31882</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20140</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY CTR WARRANTY, LLC, WHICH REPORTING PERSON SHARES BENEFICIAL OWNERSHIP OF</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY FREEDOM MOTORS, INC., WHICH REPORTING PERSON SHARES BENEFICIAL OWNERSHIP OF</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 233 shares of unvested restricted stock, which will vest on December 20, 2018.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Drake Mills, as Attorney-in-Fact</signatureName>
        <signatureDate>2018-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
