Marvin Daniel Levy is an American former football coach who was a head coach in the National Football League (NFL) for seventeen seasons. He spent most of his head coaching career with the Buffalo Bills, leading them from 1986 to 1997. After spending ten years as head coach in college, Levy was hired to coach the Montreal Alouettes of the Canadian Football League (CFL) in 1973. From 1973 to 1977, he won two Grey Cup titles with Montreal.