William David Hardison (born May 2, 1956 in Jacksonville, North Carolina) is a former American football defensive lineman in the National Football League for the Buffalo Bills (1978–1980), the New York Giants (1982–1985), the San Diego Chargers (1986–1987) and the Kansas City Chiefs (1988). He played college football at the University of North Carolina. In ten seasons, Hardison had nine sacks.