1991 NCAA Division II men's basketball tournament
| Teams | 32 | ||||
|---|---|---|---|---|---|
| Finals site | , Springfield, Massachusetts  | ||||
| Champions | North Alabama Lions (2nd title) | ||||
| Runner-up | Bridgeport Knights (1st title game) | ||||
| Semifinalists | 
  | ||||
| Winning coach | Gary Elliott (1st title) | ||||
| MOP | Lambert Shell (Bridgeport) | ||||
| Attendance | 45,580 | ||||
  | |||||
The 1991 NCAA Division II men's basketball tournament involved 32 schools playing in a single-elimination tournament to determine the national champion of men's NCAA Division II college basketball as a culmination of the 1990-91 NCAA Division II men's basketball season. It was won by the University of North Alabama and Bridgeport's Lambert Shell was the Most Outstanding Player.