Jack Franklin Allen (born September 24, 1947 in Lawton, Oklahoma) is a former American collegiate and Professional Football player. A defensive back, after graduating from South Oak Cliff High School in Dallas, Texas, he played college football at Baylor University. Allen then played professionally in the American Football League for the Oakland Raiders in 1969 and in the National Football League for the Buffalo Bills and Philadelphia Eagles. He retired from professional football after the 1972 season.