John Mackey, American football player (d. 2011)
John Mackey (September 24, 1941 – July 6, 2011) was an American professional football player who was a tight end for the Baltimore Colts and the San Diego Chargers. He was born in Roosevelt, New York and attended Syracuse University. He was the first president of the National Football League Players Association following the AFL-NFL merger, serving from 1970 to 1973. Mackey was also a major reason the NFLPA created the "88 Plan", which financially supports ex-players who required living assistance in later years.

A five-time Pro Bowler, Mackey was inducted into the Pro Football Hall of Fame in 1992, the second pure tight end elected.