Harvard University competes in NCAA Division I-AA.
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 35 | 0 |
| Basketball | 16 | 19 |
| All Track Combined | 138 | 95 |
| Fencing | 13 | 12 |
| Field Hockey | 0 | 24 |
| Football | 120 | 0 |
| Golf | 10 | 7 |
| Ice Hockey | 30 | 24 |
| Lacrosse | 43 | 27 |
| Rowing | 120 | 93 |
| Skiing | 13 | 13 |
| Soccer | 31 | 27 |
| Softball | 0 | 23 |
| Squash | 19 | 13 |
| Swimming and Diving | 38 | 33 |
| Tennis | 13 | 9 |
| Volleyball | 11 | 15 |
| Water Polo | 19 | 15 |
| Wrestling | 26 | 0 |
| Other Sports | 0 | 27 |
| Sailing | 18 | 20 |