Daniel Ernest Henning, (born June 21, 1942) is a former American football player and coach. A quarterback, he played college football at the College of William & Mary and professional football in 1966 for the San Diego Chargers of the American Football League (AFL). Henning served as a head coach in the National Football League (NFL) for the Atlanta Falcons (1983–1986) and the Chargers (1989–1991). He was the head football coach at Boston College from 1994 to 1996. Henning then returned to the NFL as an offensive coordinator for the Buffalo Bills in 1997. After Hall of Fame coach Marv Levy retired, reportedly partially due to his reluctance to fire Henning, Henning left Buffalo.