<SEC-DOCUMENT>0001303942-19-000040-index.html : 20190430
<SEC-HEADER>0001303942-19-000040.hdr.sgml : 20190430
<ACCEPTANCE-DATETIME>20190430145605
ACCESSION NUMBER:		0001303942-19-000040
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190430
DATE AS OF CHANGE:		20190430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BankFinancial CORP
		CENTRAL INDEX KEY:			0001303942
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51331
		FILM NUMBER:		19780854

	BUSINESS ADDRESS:	
		STREET 1:		15W060 NORTH FRONTAGE ROAD
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60527
		BUSINESS PHONE:		(800) 894-6900

	MAIL ADDRESS:	
		STREET 1:		15W060 NORTH FRONTAGE ROAD
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60527
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>bfin10ka20190430.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: bfin10ka20190430.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>bfin10ka20190430311.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 2 - file: bfin10ka20190430311.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>bfin10ka20190430312.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 3 - file: bfin10ka20190430312.htm

</DOCUMENT>
</SEC-DOCUMENT>