    <SEC-DOCUMENT>0001516912-18-000034-index.html : 20180725
    <SEC-HEADER>0001516912-18-000034.hdr.sgml : 20180725
    <ACCEPTANCE-DATETIME>20180725163208
    ACCESSION NUMBER:		0001516912-18-000034
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20180725
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180725
    DATE AS OF CHANGE:		20180725

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38487
    		FILM NUMBER:		18969035

    	BUSINESS ADDRESS:
    		STREET 1:		500 S SERVICE ROAD EAST
    		CITY:			RUSTON
    		STATE:			LA
    		ZIP:			71270
    		BUSINESS PHONE:		318-242-7500

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

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Community Trust Financial Corp
    		DATE OF NAME CHANGE:	20110329
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a63018obnkearningsrelease8.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a63018obnkearningsrelease8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a6302018obnkexhibit991er.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: a6302018obnkexhibit991er.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q2earningscallmateriad39.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q2earningscallmateriad39.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>obnklogoa01.jpg
    <TEXT>
    Document 4 - file: obnklogoa01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>q2earningscallmateriad39001.jpg
    <TEXT>
    Document 5 - file: q2earningscallmateriad39001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>q2earningscallmateriad39002.jpg
    <TEXT>
    Document 6 - file: q2earningscallmateriad39002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>q2earningscallmateriad39003.jpg
    <TEXT>
    Document 7 - file: q2earningscallmateriad39003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>q2earningscallmateriad39004.jpg
    <TEXT>
    Document 8 - file: q2earningscallmateriad39004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q2earningscallmateriad39005.jpg
    <TEXT>
    Document 9 - file: q2earningscallmateriad39005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>q2earningscallmateriad39006.jpg
    <TEXT>
    Document 10 - file: q2earningscallmateriad39006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q2earningscallmateriad39007.jpg
    <TEXT>
    Document 11 - file: q2earningscallmateriad39007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q2earningscallmateriad39008.jpg
    <TEXT>
    Document 12 - file: q2earningscallmateriad39008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q2earningscallmateriad39009.jpg
    <TEXT>
    Document 13 - file: q2earningscallmateriad39009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>q2earningscallmateriad39010.jpg
    <TEXT>
    Document 14 - file: q2earningscallmateriad39010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>q2earningscallmateriad39011.jpg
    <TEXT>
    Document 15 - file: q2earningscallmateriad39011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>q2earningscallmateriad39012.jpg
    <TEXT>
    Document 16 - file: q2earningscallmateriad39012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>q2earningscallmateriad39013.jpg
    <TEXT>
    Document 17 - file: q2earningscallmateriad39013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>q2earningscallmateriad39014.jpg
    <TEXT>
    Document 18 - file: q2earningscallmateriad39014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>q2earningscallmateriad39015.jpg
    <TEXT>
    Document 19 - file: q2earningscallmateriad39015.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>