<SEC-DOCUMENT>0001104659-17-041537-index.html : 20170626
<SEC-HEADER>0001104659-17-041537.hdr.sgml : 20170626
<ACCEPTANCE-DATETIME>20170626163941
ACCESSION NUMBER:		0001104659-17-041537
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20170626
DATE AS OF CHANGE:		20170626
EFFECTIVENESS DATE:		20170626

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CATHAY GENERAL BANCORP
		CENTRAL INDEX KEY:			0000861842
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				954274680
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-218973
		FILM NUMBER:		17930240

	BUSINESS ADDRESS:	
		STREET 1:		777 N BROADWAY
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90012
		BUSINESS PHONE:		2136254700

	MAIL ADDRESS:	
		STREET 1:		777 NORTH BROADWAY
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90012

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CATHAY BANCORP INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>a17-15544_1s3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: a17-15544_1s3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a17-15544_1ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a17-15544_1ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>3
<FILENAME>a17-15544_1ex12d1.htm
<DESCRIPTION>EX-12.1
<TEXT>
Document 3 - file: a17-15544_1ex12d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>a17-15544_1ex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: a17-15544_1ex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g155441bei001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g155441bei001.jpg

</DOCUMENT>
</SEC-DOCUMENT>