2023 Horizon League baseball tournament
The 2023 Horizon League baseball tournament was held from May 24 through 27. All six of the league's teams met in the double-elimination tournament held at Nischwitz Stadium in Fairborn, Ohio, home field of Wright State, which was the regular season champion. won the tournament for the tenth time and earned the conference's automatic bid to the 2023 NCAA Division I baseball tournament.
Seeding and format
The league's teams were seeded one through six based on winning percentage, using conference games only. The bottom four seeds participated in a play-in round, with winners advancing to a double-elimination tournament also including the top two seeds.| Team | W | L | Pct | GB | Seed |
| 22 | 8 | — | 1 | ||
| 18 | 12 | 4 | 2 | ||
| 17 | 13 | 5 | 3 | ||
| Youngstown State | 13 | 16 | 8.5 | 4 | |
| 11 | 18 | 10.5 | 5 | ||
| Purdue Fort Wayne | 8 | 22 | 12 | 6 |
All-Tournament Team
The following players were named to the All-Tournament Team.| Player | School |
| Ian Cleary | Oakland |
| Marcus Cline | Milwaukee |
| Mark Connelly | Milwaukee |
| Julian Greenwell | Wright State |
| Tristan Haught | Wright State |
| Brandon Heidal | Oakland |
| Colton Kucera | Northern Kentucky |
| Jay Luikart | Wright State |
| Brandon Nigh | Oakland |
| Andrew Patrick | Wright State |
| Adam Schneider | Northern Kentucky |
| Luke Stofel | Wright State |