This article is about the 1911 Major League Baseball season only. For information on all of baseball, see 1911 in baseball.
The 1911 major league baseball season began on April 12, 1911. The regular season ended on October 12, with the New York Giants and Philadelphia Athletics as the regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the eighth modern World Series on October 14 and ended with Game 6 on October 26. The Athletics defeated the Giants, four games to two.
This is the most recent major league season from which no stadiums remain in use. The Boston Red Sox have used Fenway Park as their home field since the 1912 season. The Boston Doves and Brooklyn Superbas renamed as the Boston Rustlers and Brooklyn Trolley Dodgers, respectively.
The 1911 schedule consisted of 154 games for all teams in the American League and National League, each of which had eight teams. Each team was scheduled to play 22 games against the other seven teams of their respective league. This continued the format put in place for the 1904 season. This format would last until 1919.
Opening Day took place on April 12 with all but the Chicago White Sox and Detroit Tigers playing. The American League would see its final day of the regular season on October 8, while the National League would see its final day of the regular season was on October 12. The World Series took place between October 14 and October 26.