George Joseph O'Leary (born August 17, 1946) is a former American football coach and college athletics administrator. He served as the head football coach of the Georgia Tech Yellow Jackets from 1994 to 2001 and the UCF Knights from 2004 to 2015. He was hired in 2001 to be the head coach of the Notre Dame Fighting Irish but resigned after five days for lying on his resume. O'Leary was an assistant coach for the Minnesota Vikings of the National Football League (NFL) from 2002 to 2004, and an assistant coach for the Syracuse Orange and San Diego Chargers.