Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference into the registration statement of BIO-key International, Inc., on Form S-8 (file no. 333-137414), of our report dated April 16, 2012 relating to the financial statements which appear in this Form 10-K for the year ended December 31, 2011.

/s/ / Rotenberg Meril Solomon Bertiger & Guttilla, P.C.

ROTENBERG MERIL SOLOMON BERTIGER & GUTTILLA, P.C.

Saddle Brook, New Jersey

April 16, 2012