Strategic planning cannot be over emphasized on discussing the organizational effectiveness of bank, most especially Zenith Bank of Nigeria plc: Strategic planning play an immense role in assisting the increase in the performance of Zenith Bank and the development of economy in general. In the course of the banks improved performances, strategic planning in it diverse form becomes an irresistible, inevitable and unviable. The basis fore which this research work is out is to analyze and discuss in detail the strategic planning that has been adopted by the Zenith Bank over the year and to discuss whether there is direct link between the strategic plan and performances of a bank also discuss whether the strategic plan adopted by Zenith Bank over the year has assist the bank to contribute its quota to economic developments.