William Martin Boucher (November 10, 1899 – November 10, 1958) was a Canadian professional ice hockey player. Boucher played in the National Hockey League (NHL) with the Hamilton Tigers, Montreal Canadiens, Boston Bruins and New York Americans from 1921 to 1928. With the Canadiens he won the Stanley Cup in 1924. His brothers Bobby, Frank and Georges were also professional ice hockey players and all four were members of Stanley Cup championship teams.