<SEC-DOCUMENT>0001437749-21-014927-index.html : 20210616
<SEC-HEADER>0001437749-21-014927.hdr.sgml : 20210616
<ACCEPTANCE-DATETIME>20210616153210
ACCESSION NUMBER:		0001437749-21-014927
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210616
DATE AS OF CHANGE:		20210616

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORTLAND BANCORP INC
		CENTRAL INDEX KEY:			0000774569
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				341451118
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38827
		FILM NUMBER:		211021361

	BUSINESS ADDRESS:	
		STREET 1:		194 W MAIN ST
		CITY:			CORTLAND
		STATE:			OH
		ZIP:			44410
		BUSINESS PHONE:		2166378040

	MAIL ADDRESS:	
		STREET 1:		194 WEST MAIN STREET
		CITY:			CORTLAND
		STATE:			OH
		ZIP:			44410
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>cldb20210614_11k.htm
<DESCRIPTION>FORM 11-K
<TEXT>
Document 1 - file: cldb20210614_11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>ex_257214.htm
<DESCRIPTION>EXHIBIT 23
<TEXT>
Document 2 - file: ex_257214.htm

</DOCUMENT>
</SEC-DOCUMENT>