EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-127737 on Form S-8 of BankFinancial, F.S.B., of our report dated June 22, 2007, appearing in this Annual Report on Form 11-K of the BankFinancial and Subsidiaries Associate Investment Plan for the year ended December 31, 2006.
/s/ Crowe Chizek and Company LLC
Oak Brook, Illinois
June 22, 2007
