| Year: | 1983 |
| Conference: | Midwestern City Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 6 |
| Arena: | Roberts Municipal Stadium |
| City: | Evansville, Indiana |
| Champions: | Xavier |
| Titlecount: | 1st |
| Coach: | Bob Staak |
| Coachcount: | 1st |
| Mvp: | Alfredrick Hughes |
The 1983 Midwestern City Conference men's basketball tournament (now known as the Horizon League men's basketball tournament) was held March 10–12 at Roberts Municipal Stadium in Evansville, Indiana.[1]
Xavier defeated in the championship game, 82–76, to win their first MCC/Horizon League men's basketball tournament.
The Musketeers received an automatic bid to the 1983 NCAA tournament as the #12 seed in the Midwest region. Xavier lost the play-in game to fellow #12 seed Alcorn State.
Six of eight conference members participated in the tournament and were seeded based on regular season conference records.