# 2018 NAIA Division I women's basketball tournament

The 2018 NAIA Division I women's basketball tournament was the tournament held by the NAIA to determine the national champion of women's college basketball among its Division I members in the United States and Canada for the 2017–18 basketball season.
Freed–Hardeman defeated Westmont in the championship game, 76–64, to claim the Lions' first NAIA national title.
The tournament was played at the Rimrock Auto Arena at MetraPark in Billings, Montana.

## Qualification

The tournament field remained fixed at thirty-two teams. For the first time, no teams received a seed.
The tournament continued to utilize a simple single-elimination format.

## Bracket

| First round | First round | Second round | Second round | Quarterfinals | Quarterfinals | | Semifinals | Semifinals | | National championship | National championship |
| Benedictine (KS) | 68 | | | | | | | | | | |
| Columbia (MO) | 59 | | | | | | | | | | |
| Columbia (MO) | 59 | Benedictine (KS) | 78 | | | | | | | | |
| | | Menlo | 88 | | | | | | | | |
| LSU Shreveport | 79 | Menlo | 88 | | | | | | | | |
| Menlo | 91 | | | | | | | | | | |
| Menlo | 91 | | | Menlo | 61 | | | | | | |
| | | | | Montana Western | 74 | | | | | | |
| Campbellsville | 79 | | | | | Montana Western | 74 | | | | | | |
| Faulkner | 63 | | | | | | | | | | |
| Faulkner | 63 | Campbellsville | 57 | | | | | | | | |
| | | Montana Western | 60 | | | | | | | | |
| Dillard | 54 | Montana Western | 60 | | | | | | | | |
| Montana Western | 66 | | | | | | | | | | |
| Montana Western | 66 | | | | | | Montana Western | 50 | | | |
| | | | | | | | Freed–Hardeman | 61 | | | |
| Freed–Hardeman | 71 | | | | | | | | Freed–Hardeman | 61 | | | |
| The Master's | 51 | | | | | | | | | | |
| The Master's | 51 | Freed–Hardeman | 78 | | | | | | | | |
| | | USAO | 50 | | | | | | | | |
| Rocky Mountain | 52 | USAO | 50 | | | | | | | | |
| USAO | 60 | | | | | | | | | | |
| USAO | 60 | | | Freed–Hardeman | 82 | | | | | | |
| | | | | Central Methodist | 74 | | | | | | |
| Arizona Christian | 86 | | | | | Central Methodist | 74 | | | | | | |
| Central Methodist | 98 | | | | | | | | | | |
| Central Methodist | 98 | Central Missouri | 88 | | | | | | | | |
| | | Lindsey Wilson | 73 | | | | | | | | |
| Lindsey Wilson | 75 | Lindsey Wilson | 73 | | | | | | | | |
| Martin Methodist | 69 | | | | | | | | | | |
| Martin Methodist | 69 | | | | | | | | | Freed–Hardeman | 76 |
| | | | | | | | | | | Westmont | 64 |
| Loyola New Orleans | 89 | | | | | | | | | | | Westmont | 64 |
| Our Lady of the Lake | 86 | | | | | | | | | | |
| Our Lady of the Lake | 86 | Loyola New Orleans | 65 | | | | | | | | |
| | | Westmont | 77 | | | | | | | | |
| Cumberland (TN) | 51 | Westmont | 77 | | | | | | | | |
| Westmont | 57 | | | | | | | | | | |
| Westmont | 57 | | | Westmont | 65 | | | | | | |
| | | | | MidAmerica Nazarene | 54 | | | | | | |
| Lindenwood Belleville | 72 | | | | | MidAmerica Nazarene | 54 | | | | | | |
| MidAmerica Nazarene | 82 | | | | | | | | | | |
| MidAmerica Nazarene | 82 | MidAmerica Nazarene | 83 | | | | | | | | |
| | | Providence (MT) | 67 | | | | | | | | |
| Oklahoma City | 76 | Providence (MT) | 67 | | | | | | | | |
| Providence (MT) | 81 | | | | | | | | | | |
| Providence (MT) | 81 | | | | | | Westmont | 56 | | | |
| | | | | | | | Wayland Baptist | 54 | | | |
| Lyon (AR) | 62 | | | | | | | | Wayland Baptist | 54 | | | |
| Wayland Baptist | 78 | | | | | | | | | | |
| Wayland Baptist | 78 | Wayland Baptist | 79 | | | | | | | | |
| | | Shawnee State | 69 | | | | | | | | |
| Grand View | 82 | Shawnee State | 69 | | | | | | | | |
| Shawnee State | 88 | | | | | | | | | | |
| Shawnee State | 88 | | | Wayland Baptist | 68 | | | | | | |
| | | | | Vanguard | 44 | | | | | | |
| Carroll (MT) | 55 | | | | | Vanguard | 44 | | | | | | |
| William Penn | 49 | | | | | | | | | | |
| William Penn | 49 | Carroll (MT) | 55 | | | | | | | | |
| | | Vanguard | 63 | | | | | | | | |
| Bethel (TN) | 57 | Vanguard | 63 | | | | | | | | |
| Vanguard | 76 | | | | | | | | | | |