# 1991 NAIA women's basketball tournament

The 1991 NAIA women's basketball tournament was the 11th annual tournament held by the NAIA to determine the national champion of women's college basketball among its members in the United States and Canada.
Fort Hays State defeated defending champions Southwestern Oklahoma State in the championship game, 57–53, to claim the Tigers' first NAIA national title.
The tournament was played at the Oman Arena in Jackson, Tennessee.

## Qualification

The tournament field remained expanded for the second time in its history, increasing from sixteen to thirty-two teams. The top sixteen teams received seeds.
The tournament continue to utilize a simple single-elimination format.

## Bracket

| First round | First round | First round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | | Semifinals | Semifinals | Semifinals | | National championship | National championship | National championship |
| 1 | Claflin | 104 | | | | | | | | | | | | | | |
| | Seton Hill | 84 | | | | | | | | | | | | | | |
| | Seton Hill | 84 | 1 | Claflin | 93 | | | | | | | | | | | |
| | | | 16 | Central Arkansas | 77 | | | | | | | | | | | |
| | Berry | 80 | 16 | Central Arkansas | 77 | | | | | | | | | | | |
| 16 | Central Arkansas | 86 | | | | | | | | | | | | | | |
| 16 | Central Arkansas | 86 | | | | 1 | Claflin | 67 | | | | | | | | |
| | | | | | | 9 | St. Edward's | 66 | | | | | | | | |
| 9 | St. Edward's | 60 | | | | | | | 9 | St. Edward's | 66 | | | | | | | | |
| | Mobile | 46 | | | | | | | | | | | | | | |
| | Mobile | 46 | 9 | St. Edward's | 92 | | | | | | | | | | | |
| | | | 8 | Rosary (IL) | 51 | | | | | | | | | | | |
| | Georgian Court | 73 | 8 | Rosary (IL) | 51 | | | | | | | | | | | |
| 8 | Rosary (IL) | 78 | | | | | | | | | | | | | | |
| 8 | Rosary (IL) | 78 | | | | | | | | 1 | Claflin | 63 | | | | |
| | | | | | | | | | | 4 | Fort Hays State | 75 | | | | |
| 5 | Wayland Baptist | 74 | | | | | | | | | | | 4 | Fort Hays State | 75 | | | | |
| | Point Loma Nazarene | 69 | | | | | | | | | | | | | | |
| | Point Loma Nazarene | 69 | 5 | Wayland Baptist | 58 | | | | | | | | | | | |
| | | | 12 | Minnesota Duluth | 51 | | | | | | | | | | | |
| | St. Joseph's (ME) | 68 | 12 | Minnesota Duluth | 51 | | | | | | | | | | | |
| 12 | Minnesota Duluth | 82 | | | | | | | | | | | | | | |
| 12 | Minnesota Duluth | 82 | | | | 5 | Wayland Baptist | 65 | | | | | | | | |
| | | | | | | 4 | Fort Hays State | 78 | | | | | | | | |
| 13 | Northern Montana | 61 | | | | | | | 4 | Fort Hays State | 78 | | | | | | | | |
| | Campbellsville | 60 | | | | | | | | | | | | | | |
| | Campbellsville | 60 | 13 | Northern Montana | 53 | | | | | | | | | | | |
| | | | 4 | Fort Hays State | 70 | | | | | | | | | | | |
| | Wisconsin–Stout | 58 | 4 | Fort Hays State | 70 | | | | | | | | | | | |
| 4 | Fort Hays State | 92 | | | | | | | | | | | | | | |
| 4 | Fort Hays State | 92 | | | | | | | | | | | | 4 | Fort Hays State | 57 |
| | | | | | | | | | | | | | | 2 | SW Oklahoma State | 53 |
| 3 | Simon Fraser | 77 | | | | | | | | | | | | | | | 2 | SW Oklahoma State | 53 |
| | IUPUI | 79 | | | | | | | | | | | | | | |
| | IUPUI | 79 | | IUPUI | 99 | | | | | | | | | | | |
| | | | 14 | Midland Lutheran | 79 | | | | | | | | | | | |
| | Western New Mexico | 67 | 14 | Midland Lutheran | 79 | | | | | | | | | | | |
| 14 | Midland Lutheran | 97 | | | | | | | | | | | | | | |
| 14 | Midland Lutheran | 97 | | | | | IUPUI | 99 | | | | | | | | |
| | | | | | | 6 | Wingate | 96 | | | | | | | | |
| 11 | Central State (OH) | 67 | | | | | | | 6 | Wingate | 96 | | | | | | | | |
| | Rockhurst | 61 | | | | | | | | | | | | | | |
| | Rockhurst | 61 | 11 | Central State (OH) | 78 | | | | | | | | | | | |
| | | | 6 | Wingate | 81 | | | | | | | | | | | |
| | Charleston (WV) | 49 | 6 | Wingate | 81 | | | | | | | | | | | |
| 6 | Wingate | 94 | | | | | | | | | | | | | | |
| 6 | Wingate | 94 | | | | | | | | | IUPUI | 49 | | | | |
| | | | | | | | | | | 2 | SW Oklahoma State | 69 | | | | |
| 7 | Mount Mercy | 67 | | | | | | | | | | | 2 | SW Oklahoma State | 69 | | | | |
| | Auburn Montgomery | 54 | | | | | | | | | | | | | | |
| | Auburn Montgomery | 54 | 7 | Mount Mercy | 83 | | | | | | | | | | | |
| | | | 10 | Belmont | 99 | | | | | | | | | | | |
| 10 | Belmont | 85 | 10 | Belmont | 99 | | | | | | | | | | | |
| | Holy Family | 50 | | | | | | | | | | | | | | |
| | Holy Family | 50 | | | | 10 | Belmont | 65 | | | | | | | | |
| | | | | | | 2 | SW Oklahoma State | 70* | | | | | | | | |
| 15 | Belmont Abbey | 73 | | | | | | | 2 | SW Oklahoma State | 70* | | | | | | | | |
| | Western Oregon | 81 | | | | | | | | | | | | | | |
| | Western Oregon | 81 | | Western Oregon | 55 | | | | | | | | | | | |
| | | | 2 | SW Oklahoma State | 67 | | | | | | | | | | | |
| | Northwood | 58 | 2 | SW Oklahoma State | 67 | | | | | | | | | | | |
| 2 | SW Oklahoma State | 77 | | | | | | | | | | | | | | |