Frank Chapin Greenleaf (May 22, 1877 – January 1, 1953) was a Canadian sports administrator. He served as president of the Canadian Amateur Hockey Association and the Quebec Amateur Hockey Association, and was an executive in the Quebec branch of the Amateur Athletic Union of Canada. He presided over amateur hockey when the Canadian Amateur Hockey Association wanted to end the raiding of its rosters by foreign teams and to prevent a geographic shift in talent by imposing a residency rule for players. Greenleaf negotiated for a North American senior ice hockey championship that saw the Allan Cup winner play the amateur champion of the United States. He served as an executive member of multiple amateur hockey leagues in Montreal and was one of the founders of the Mount Royal Junior Hockey Le