| Gender: | Women's |
| Year: | 1991 |
| Division: | II |
| Teams: | 32 |
| Finalfourcity: | Cape Girardeau, Missouri |
| Champions: | North Dakota State Bison |
| Titlecount: | 1st |
| Runnerup: | Southeast Missouri State Otahkians |
| Gamecount: | 1st |
| Thirdplace: | Bentley Falcons |
| Finalfourcount: | 3rd |
| Fourthplace: | Norfolk State Spartans |
| Finalfourcount2: | 1st |
| Coach: | Amy Ruley, NDSU |
| Coachcount: | 1st |
| Mop: | Nadine Schmidt |
| Mopteam: | North Dakota State |
The 1991 NCAA Division II women's basketball tournament was the tenth annual tournament hosted by the NCAA to determine the national champion of Division II women's collegiate basketball in the United States.[1]
North Dakota State defeated Southeast Missouri State in the championship game, 81–74, claiming the Bison's first NCAA Division II national title.
The championship rounds were contested at the Show Me Center at Southeast Missouri State University in Cape Girardeau, Missouri.
Location: Sports Center Host: University of Pittsburgh at Johnstown
Location: Joseph G. Echols Memorial Hall Host: Norfolk State University
Location: Warrior Gym Host: California State University, Stanislaus
Location: Show Me Center Host: Southeast Missouri State University
Location: Hyslop Sports Center Host: University of North Dakota
Location: Regents Hall Host: Northern Kentucky University
Location: Pete Mathews Coliseum Host: Jacksonville State University
Location: Dana Center Host: Bentley College
Final Four Location: Show Me Center Host: Southeast Missouri State University