Jack Bernstein, (November 5, 1899 – December 26, 1945) was an American boxer given the birthname John Dodick. He became World Junior lightweight Champion, on May 30, 1923 against Johnny Dundee at the Coney Island Velodrome in Brooklyn. When he lost the title to Dundee on December 17, 1923 in a fifteen round split decision at Madison Square Garden, many newspapers felt Bernstein clearly had the edge in the bout and should have retained the title.