Westmont has qualified for the NAIA National Tournament on 23 occasions. In 2015, the Warriors advanced to the title game before finishing as the NAIA National Runner-up. Westmont has advanced to the semifinals on two other occasions (1984 and 1999), and has made it to the quarterfinals three times (1972, 1973 and 2002). Westmont’s overall record in the national tournament is 21-23.
| 1957 |
| Youngstown (Ohio) |
L 75-81 |
| 1972 |
| Edinboro State (Penn.) |
W 91-72 |
| Xavier (La.) |
W 71-59 |
| Stephen F. Austin (Texas) |
L 62-72 |
| 1973 |
| South Dakota Mines & Technology |
W 85-66 |
| Missouri Southern |
W 86-70 |
| Guilford (N.C.) |
L 67-70 |
| 1978 |
| Fairmont State (W.Va.) |
W 65-55 |
| Central State (Ohio) |
L 91-92 (2 OT) |
| 1984 |
| North Georgia |
W 81-52 |
| Pembroke (N.C.) |
W 63-54 |
| St. Thomas Aquinas (N.Y.) |
W 78-65 |
| Wisconsin-Stevens Point |
L 53-79 |
| Chicago State (Ill.) (Consolation Game) |
L 82-86 (OT) |
| 1988 |
| Wisconsin-Eau Claire |
L 59-74 |
| 1991 |
| Emporia State (Kan.) |
W 65-55 |
| Wisconsin-Eau Claire |
L 52-55 |
| 1994 |
| Salem-Tiekyo (W.Va.) |
W 75-71 |
| Life (Ga.) |
L 65-85 |
| 1996 |
| Birmingham-Southern (Ala.) |
L 75-88 |
| 1999 |
| St. Xavier (Ill.) |
W 76-61 |
| Georgetown (Ky.) |
W 75-53 |
| Oklahoma Baptist |
W 67-54 |
| Mobile (Ala.) |
L 63-71 |
|
|
| 2000 |
| Oklahoma City |
L 62-70 |
| 2002 |
| Southern Poly (Ga.) |
W 88-77 |
| Mountain State (W.Va.) |
W 75-47 |
| Barat (Ill.) |
L 79-91 |
| 2003 |
| Auburn-Montgomery (Ala.) |
W 85-53 |
| Oklahoma Baptist |
L 66-72 |
| 2007 |
| Robert Morris (Ill.) |
L 68-81 |
| (Robert Morris’ win was later vacated due to use of an ineligible player.) |
| 2013 |
| Martin Methodist (Tenn.) |
L 65-71 |
| 2015 |
| Lewis-Clark State (Idaho) |
W 77-60 |
| Campbellsville (Ky.) |
W 65-61 |
| Mid-America Christian (Okla.) |
W 78-66 |
| Hope International (Calif.) |
W 70-69 |
| Dalton State (Ga.) |
L 53-71 |
| NAIA National Runner-Up |
| 2016 |
| Talladega (Ala.) |
L 61-63 |
| 2017 |
| William Carey (Miss.) |
W 74-60 |
| Louisiana State Alexandria |
L 61-81 |
| 2018 |
| Dillard (La.) |
L 71-74 |
| 2019 |
| Benedictine (Kan.) |
L 85-90 |
| 2020 |
| Stillman (Ala.) |
DNP |
| (NAIA National Tournament was canceled due to COVID-19 outbreak.) |
| 2023 |
| Montana Tech |
L 69-83 |
|
