This article is about the 1955 Major League Baseball season only. For information on all of baseball, see 1955 in baseball.
A ticket from the game where Sandy Koufax earned his first major league win on August 27, 1955.
The 1955 Major League Baseball season was contested from April to October 1955. It featured 16 teams, eight in the National League and eight in the American League, with each team playing a 154-game schedule. In the World Series the Brooklyn Dodgers defeated the New York Yankees 4 games to 3. For the third consecutive season, a franchise changed homes as the Philadelphia Athletics moved to Kansas City and played their home games at Municipal Stadium.