Tony Canzoneri (November 6, 1908 – December 9, 1959) was an American professional boxer. A three-division world champion, he held a total of five world titles. Canzoneri is a member of the exclusive group of boxing world champions who have won titles in three or more divisions. Canzoneri fought for championships between bantamweight and light welterweight. Although he is not widely known, Canzoneri was one of the best boxers of his time.