William "Wild Bill" Ezinicki (March 11, 1924 – October 11, 2012) was a Canadian professional ice hockey forward for the Toronto Maple Leafs (1944–1950), the Boston Bruins (1950–1952), and the New York Rangers (1954–1955) of the NHL.

He won the Stanley Cup three times with the Toronto Maple Leafs, in 1947, 1948 and 1949.

He won several tournaments in the New England region including four state opens in 1960.

Ezinicki, a long-time resident of Bolton, Massachusetts, died at the age of 88 on October 11, 2012.

This biographical article relating to a Canadian ice hockey winger born in the 1920s is a stub.