William Richard "Red" Mack (born June 19, 1937 in Oconto, Wisconsin) was an American football wide receiver and halfback in the National Football League for the Pittsburgh Steelers, the Philadelphia Eagles, the Atlanta Falcons, and the Green Bay Packers. As a Green Bay Packer he played in Super Bowl I, January 15, 1967,and made two tackles. He played college football at the University of Notre Dame.