<SEC-DOCUMENT>0001437749-21-014847-index.html : 20210615
<SEC-HEADER>0001437749-21-014847.hdr.sgml : 20210615
<ACCEPTANCE-DATETIME>20210615163303
ACCESSION NUMBER:		0001437749-21-014847
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210615
DATE AS OF CHANGE:		20210615

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENNANT CO
		CENTRAL INDEX KEY:			0000097134
		STANDARD INDUSTRIAL CLASSIFICATION:	REFRIGERATION & SERVICE INDUSTRY MACHINERY [3580]
		IRS NUMBER:				410572550
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16191
		FILM NUMBER:		211018912

	BUSINESS ADDRESS:	
		STREET 1:		104000 CLEAN STREET
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344
		BUSINESS PHONE:		7635401200

	MAIL ADDRESS:	
		STREET 1:		104000 CLEAN STREET
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TENNANT G H CO
		DATE OF NAME CHANGE:	19700515
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>tnc20201231_11k.htm
<DESCRIPTION>FORM 11-K
<TEXT>
Document 1 - file: tnc20201231_11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>ex_256859.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - CLIFTONLARSONALLEN LLP
<TEXT>
Document 2 - file: ex_256859.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>claopinionpage1.jpg
<TEXT>
Document 3 - file: claopinionpage1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>claopinionpage2.jpg
<TEXT>
Document 4 - file: claopinionpage2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ex_256859img001.gif
<TEXT>
Document 5 - file: ex_256859img001.gif

</DOCUMENT>
</SEC-DOCUMENT>