Trinity University competes in NCAA Division III (with football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 60 | 0 |
| Basketball | 22 | 16 |
| Football | 98 | 0 |
| Golf | 8 | 10 |
| Soccer | 63 | 35 |
| Softball | 0 | 23 |
| Swimming and Diving | 24 | 18 |
| Tennis | 14 | 12 |
| Track and Field, Indoor | 15 | 15 |
| Track and Field, Outdoor | 40 | 42 |
| Track and Field, X-Country | 16 | 19 |
| Volleyball | 0 | 19 |