    <SEC-DOCUMENT>0001174947-21-000418-index.html : 20210415
    <SEC-HEADER>0001174947-21-000418.hdr.sgml : 20210415
    <ACCEPTANCE-DATETIME>20210415161625
    ACCESSION NUMBER:		0001174947-21-000418
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20210520
    FILED AS OF DATE:		20210415
    DATE AS OF CHANGE:		20210415

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SIMMONS FIRST NATIONAL CORP
    		CENTRAL INDEX KEY:			0000090498
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				710407808
    		STATE OF INCORPORATION:			AR
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-06253
    		FILM NUMBER:		21828661

    	BUSINESS ADDRESS:
    		STREET 1:		501 MAIN STREET
    		CITY:			PINE BLUFF
    		STATE:			AR
    		ZIP:			71601
    		BUSINESS PHONE:		8705411000

    	MAIL ADDRESS:
    		STREET 1:		501 MAIN STREET
    		CITY:			PINE BLUFF
    		STATE:			AR
    		ZIP:			71601
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>sfncdef14aproxy.htm
    <DESCRIPTION>DEFINITIVE PROXY STATEMENT
    <TEXT>
    Document 1 - file: sfncdef14aproxy.htm

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>formula2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: formula2.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img1.jpg

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>proxycard_p1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: proxycard_p1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>proxycard_p2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: proxycard_p2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>