American NHL referee William Joseph "Bill" Stewart (1895–1964) in 1940.

Stewart was a native of Fitchburg, Massachusetts, and outside of hockey officiating he was also a Major League Baseball umpire.

Bill Stewart also had a brief coaching career with the Chicago Black Hawks in the NHL, coaching the club to its second Stanley Cup championship in 1937–38. He was fired during the 1938–39 season.

Stewart is an inductee of the United States Hockey Hall of Fame.