Harold E. Ballard (July 30, 1903 – April 11, 1990) was an owner of the Toronto Maple Leafs of the National Hockey League (NHL) as well as their home arena, Maple Leaf Gardens. A member of the Leafs organization from 1940 and a senior executive from 1957, he became part-owner of the team in 1961 and was majority owner from February 1972 until his death. He was also the owner of the Hamilton Tiger-Cats of the Canadian Football League (CFL) for 11 seasons, winning a Grey Cup championship in 1986. He was inducted into the Hockey Hall of Fame (1977) and the Canadian Football Hall of Fame (1987).