2009 Horizon League baseball tournament
The 2009 Horizon League baseball tournament took place from May 19 through 23, near the close of the 2009 NCAA Division I baseball season. All seven of the league's teams met in the double-elimination tournament held at The Pipe Yard in Lorain, Ohio. Third seeded won their third Horizon League Championship and earned the conference's automatic bid to the 2009 NCAA Division I baseball tournament.
Seeding and format
The league's seven teams are seeded one through seven based on winning percentage, using conference games only. The bottom two seeds play a single elimination opening round, with the winner advancing to the double-elimination rounds. The top two seeds receive a single bye.| Team | W | L | PCT | GB | Seed |
| 17 | 6 | — | 1 | ||
| 14 | 9 | 3 | 2 | ||
| 14 | 12 | 4.5 | 3 | ||
| 12 | 11 | 5 | 4 | ||
| 12 | 13 | 6 | 5 | ||
| 10 | 14 | 7.5 | 6 | ||
| 6 | 20 | 12.5 | 7 |
All-Tournament Team
The following players were named to the All-Tournament Team.| POS | Name | School |
| P | Alex Kaminsky | Wright State |
| P | Mike Kool | UIC |
| C | Garrett Gray | Wright State |
| 1B | Jeff Mercer | Wright State |
| 2B | Tony Altavilla | UIC |
| 3B | Andy Leonard | UIC |
| SS | R.J. Gundolff | Wright State |
| OF | Ryan Ashe | Wright State |
| OF | John Rosinski | UIC |
| OF | Kory Twede | Wright State |
| DH | Brett Schaefer | UIC |