| Year: | 1983 |
| Conference: | Missouri Valley Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 8 |
| Arena: | Campus sites |
| Finalarena: | Horton Field House |
| Finalcity: | Normal, Illinois |
| Champions: | Illinois State |
| Titlecount: | 1st |
| Coach: | Bob Donewald |
| Coachcount: | 1st |
The 1983 Missouri Valley Conference men's basketball tournament was after the conclusion of the 1982–1983 regular season. The quarterfinal and semifinal rounds were played on campus sites, with the final contested at Horton Field House on the campus of Illinois State University in Normal, Illinois.
The Illinois State Redbirds defeated the in the championship game, 84-64, and as a result won their first MVC Tournament title and earned an automatic bid to the 1983 NCAA tournament.