University of Massachusetts-Boston competes in NCAA Division III (without football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 33 | 0 |
| Basketball | 18 | 15 |
| Ice Hockey | 29 | 22 |
| Lacrosse | 25 | 0 |
| Soccer | 31 | 22 |
| Softball | 0 | 16 |
| Tennis | 12 | 8 |
| Track and Field, Indoor | 31 | 16 |
| Track and Field, Outdoor | 27 | 19 |
| Track and Field, X-Country | 8 | 8 |
| Volleyball | 0 | 16 |