| Type: | NAIA |
| Year: | 1991 |
| Teams: | 32 |
| Finalfourarena: | Kemper Arena |
| Finalfourcity: | Kansas City, Missouri |
| Titlecount: | 1 |
| Champgamecount: | 1 |
| Champffcount: | 1 |
| Gamecount: | 1 |
| Runnerffcount: | 2 |
| Finalfourcount1: | 1 |
| Finalfourcount2: | 1 |
| Mvp: | Eric Manuel |
| Mvpteam: | Oklahoma City |
| Hustle: | David Wayne |
| Hustleschool: | Taylor |
| Attendance: | unknown |
The 1991 NAIA men's basketball tournament was held in March at Kemper Arena in Kansas City, Missouri. The 54th annual NAIA basketball tournament featured 32 teams playing in a single-elimination format. Oklahoma City became the champions after winning the final against Central Arkansas 77–74.[1]