| Year: | 1991 |
| Conference: | NCAA Division II |
| Shortconference: | NCAA Division II |
| Division: | II |
| Gender: | Women's |
| Format: | Double-elimination tournament |
| City: | Midland, Michigan |
| Champions: | Augustana (SD) |
| Titlecount: | 1st |
| Runnerup: | Bloomsburg |
| Runnerupgamecount: | 1st |
| Coach: | Sandy Jerstad |
| Coachcount: | 1st |
| Attendance: | 4,134 |
The 1991 NCAA Division II softball tournament was the tenth annual postseason tournament hosted by the NCAA to determine the national champion of softball among its Division II members in the United States, held at the end of the 1991 NCAA Division II softball season.[1]
The final, four-team double elimination tournament, also known as the Division II Women's College World Series, was played in Midland, Michigan.
Augustana (SD) defeated Bloomsburg in a single game championship series, 3–2 (after 10 innings), to capture the Vikings' first Division II national title.