Ferdinand "Andy" Geiger (born March 23, 1939) is a former athletic director at six different institutions, most recently holding that position from May 10, 2012 to August 30, 2013 at the University of Wisconsin-Milwaukee.
His most notable time as an athletic director was when he spent 11 years at the helm of the largest athletic department in the country at The Ohio State University, during some of which time was flanked by controversy over various dealings regarding former OSU running back, Maurice Clarett.