2009 NCAA Division II baseball tournament

The 2009 NCAA Division II baseball tournament was the postseason tournament hosted by the NCAA to determine the national champion of baseball among its Division II members at the end of the 2009 NCAA Division II baseball season.

The final, eight-team double elimination tournament, also known as the College World Series, was played at the USA Baseball National Training Complex in Cary, North Carolina from May 23–30, 2009.

Lynn defeated Emporia State in the championship game, 2–1, to claim the Fighting Knights' first Division II national title.

College World Series

 * Note: Losers of each round are shifted to the opposing bracket.