2000 Seattle Mariners season

The Seattle Mariners' 2000 season was the franchise's 24th, and ended in the American League Championship Series, falling to the New York Yankees in six games.

The regular season ended with the Mariners finishing second in the American League West but earning the franchise's first wild card berth, with a 91–71 (.562) record. In the playoffs, they swept the Chicago White Sox in the American League Division Series but were defeated by the Yankees in the next round.

The Mariners traded future Hall of FamerKen Griffey Jr. before the start of the season, which was also Alex Rodriguez's final season with Seattle.