    <SEC-DOCUMENT>0001193125-21-081451-index.html : 20210315
    <SEC-HEADER>0001193125-21-081451.hdr.sgml : 20210315
    <ACCEPTANCE-DATETIME>20210315163500
    ACCESSION NUMBER:		0001193125-21-081451
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20210420
    FILED AS OF DATE:		20210315
    DATE AS OF CHANGE:		20210315

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CIVISTA BANCSHARES, INC.
    		CENTRAL INDEX KEY:			0000944745
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				341558688
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36192
    		FILM NUMBER:		21741944

    	BUSINESS ADDRESS:
    		STREET 1:		100 EAST WATER ST
    		STREET 2:		P O BOX 5016
    		CITY:			SANDUSKY
    		STATE:			OH
    		ZIP:			44870
    		BUSINESS PHONE:		4196254121

    	MAIL ADDRESS:
    		STREET 1:		100 EAST WATER ST
    		STREET 2:		P O BOX 5016
    		CITY:			SANDUSKY
    		STATE:			OH
    		ZIP:			44870

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FIRST CITIZENS BANC CORP /OH
    		DATE OF NAME CHANGE:	19950502
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d92262ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d92262ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g92262dsp2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g92262dsp2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g92262g16y52.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g92262g16y52.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g92262g39c45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g92262g39c45.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g92262image1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g92262image1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>