William Alexander Johnson (born December 4, 1964) is a former professional Canadian football defensive lineman who played nine seasons in the Canadian Football League (CFL), mainly for the Calgary Stampeders. Johnson was a five-time All-Star and won a Grey Cup with Calgary in 1992. He started his career in the NFL, playing for the Chicago Bears in 1987, where he was a linebacker. He was selected by the Bears in the fifth round of the 1987 NFL draft. He was inducted into the Canadian Football Hall of Fame as a player in 2021.