University of California-Irvine competes in NCAA Division I-AAA.
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 35 | 0 |
| Basketball | 16 | 13 |
| Golf | 9 | 7 |
| Soccer | 29 | 36 |
| Tennis | 10 | 10 |
| Track and Field, Indoor | 0 | 35 |
| Track and Field, Outdoor | 25 | 49 |
| Track and Field, X-Country | 12 | 20 |
| Volleyball | 20 | 19 |
| Water Polo | 26 | 22 |