This article is about the 1925 Major League Baseball season only. For information on all of baseball, see 1925 in baseball.
The 1925 major league baseball season began on April 14, 1925. The regular season ended on October 4, with the Pittsburgh Pirates and Washington Senators as the regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the 22nd World Series on October 7 and ended with Game 7 on October 15. The Pirates defeated the Senators, four games to three.
The 1925 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 since the 1904 season (except for 1919) and would be used until 1961 in the American League and 1962 in the National League.
Opening Day, April 14, featured all sixteen teams, continuing the trend which started with the previous season. The final day of the regular season was on October 4. The World Series took place between October 7 and October 15.