Jack Harper (Canadian football)

John "Jack" Harper is a former Grey Cup champion and All-Star Canadian Football League player. He was an halfback.

Harper started out with the Hamilton Tigers of the Ontario Rugby Football Union and had an All-Star season in 1948, leading his union in scoring with 60 points and tying Virgil Wagner for the national title. The Montreal Alouettes signed him, and fellow All-Star quarterback Frank Filchock, away from Hamilton in 1949 and these two stars were at the heart of the Als first ever Grey Cup victory that season. After 3 more seasons in Montreal, Harper played with the Saskatchewan Roughriders for two seasons, and finished his career with 6 games for the Toronto Argonauts in 1955.