St Mary's College of Maryland competes in NCAA Division III (without football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 27 | 0 |
| Basketball | 18 | 15 |
| Field Hockey | 0 | 20 |
| Lacrosse | 40 | 26 |
| Soccer | 27 | 23 |
| Swimming | 15 | 13 |
| Tennis | 12 | 10 |
| Track and Field, X-Country | 17 | 9 |
| Volleyball | 0 | 18 |
| Sailing | 0 | 18 |