| Year: | 2003 |
| Conference: | MAAC |
| Division: | I |
| Gender: | Men's |
| Teams: | 10 |
| Arena: | Sovereign Bank Arena |
| City: | Trenton, New Jersey |
| Champions: | Manhattan |
| Titlecount: | 2nd |
| Coach: | Bobby Gonzalez |
| Coachcount: | 1st |
| Mvp: | Luis Flores |
| Mvpteam: | Manhattan |
The 2003 MAAC men's basketball tournament was held March 7–10 at Sovereign Bank Arena in Trenton, New Jersey.[1]
Top-seeded Manhattan defeated in the championship game, 69–54, to win their second MAAC men's basketball tournament.[2]
The Jaspers received an automatic bid to the 2003 NCAA tournament.
All ten of the conference's members participated in the tournament field. They were seeded based on regular season conference records.
As the regular-season champion, top seed Manhattan received a bye to the semifinals.