University of California-San Diego competes in NCAA Division II (without football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 40 | 0 |
| Basketball | 15 | 15 |
| All Track Combined | 64 | 67 |
| Fencing | 19 | 25 |
| Golf | 10 | 0 |
| Rowing | 41 | 69 |
| Soccer | 28 | 32 |
| Softball | 0 | 23 |
| Swimming | 30 | 29 |
| Tennis | 13 | 13 |
| Volleyball | 22 | 13 |
| Water Polo | 26 | 25 |