| Year: | 2009 |
| Conference: | Ivy League |
| Teams: | 2 |
| Format: | Best of three series |
| Ballpark: | Red Rolfe Field at Biondi Park |
| City: | Hanover, New Hampshire |
| Titlecount: | 1st |
| Coach: | Bob Whalen |
| Coachcount: | 1st |
| Different Previous: | 2008 |
| Different Next: | 2010 |
The 2009 Ivy League Baseball Championship Series took place at Red Rolfe Field at Biondi Park in Hanover, New Hampshire on May 2 and 3, 2009.[1] The series matched the regular season champions of each of the league's two divisions., the winner of the series, claimed the Ivy League's automatic berth in the 2009 NCAA Division I baseball tournament. It was Dartmouth's first Championship Series victory, coming in their fifth appearance.[2]
defeated in a one-game playoff to advance to the Championship Series and represent the Lou Gehrig Division. The playoff was held on April 29 at Hoy Field in Ithaca, New York.