<SEC-DOCUMENT>0001193125-21-102250-index.html : 20210331
<SEC-HEADER>0001193125-21-102250.hdr.sgml : 20210331
<ACCEPTANCE-DATETIME>20210331160606
ACCESSION NUMBER:		0001193125-21-102250
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210331
DATE AS OF CHANGE:		20210331

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KIRBY CORP
		CENTRAL INDEX KEY:			0000056047
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				741884980
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07615
		FILM NUMBER:		21793289

	BUSINESS ADDRESS:	
		STREET 1:		55 WAUGH DRIVE SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77007
		BUSINESS PHONE:		7134351000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1745
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIRBY EXPLORATION CO INC
		DATE OF NAME CHANGE:	19900510
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d161396ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d161396ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g161396g0331200138089.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g161396g0331200138089.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g161396g0331200138744.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g161396g0331200138744.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g161396g0331200139048.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g161396g0331200139048.jpg

</DOCUMENT>
</SEC-DOCUMENT>