William Hatanaka is a Canadian former professional football wide receiver who played four seasons in the Canadian Football League (CFL) with the Ottawa Rough Riders and Hamilton Tiger-Cats. He was selected by the Rough Riders in the first round of the 1976 CFL draft after playing CIAU football at York University. He was a member of the Rough Riders team that won the 64th Grey Cup, where he scored the first punt return touchdown in Grey Cup history.