Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

          We have issued our reports dated March 16, 2011, with respect to the financial statements and internal control over financial reporting included in the Annual Report of Insignia Systems, Inc. on Form 10-K for the year ended December 31, 2010. We hereby consent to the incorporation by reference of said reports in the following Registration Statements of Insignia Systems, Inc. on Forms S-8:

File No. 333-168715, effective August 10, 2010

File No. 333-161311, effective August 13, 2009

File No. 333-153031, effective August 15, 2008

File No. 333-145506, effective August 16, 2007

File No. 333-127606, effective August 16, 2005

File No. 333-120504, effective November 15, 2004

File No. 333-97513, effective August 1, 2002

File No. 333-65172, effective July 16, 2001

	/s/ Grant Thornton LLP
Minneapolis, Minnesota
March 16, 2011