2021 Mountain West Conference Leaders Penalties - Games in August/September Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Air Force | 4 | 18 | 128 | 4.5 | 32.0 |
| 2 | Hawai'i | 5 | 23 | 160 | 4.6 | 32.0 |
| 3 | Nevada | 3 | 22 | 166 | 7.3 | 55.3 |
| 4 | UNLV | 4 | 21 | 168 | 5.3 | 42.0 |
| 5 | New Mexico | 4 | 27 | 210 | 6.8 | 52.5 |
| 6 | Boise State | 4 | 20 | 212 | 5.0 | 53.0 |
| 7 | Wyoming | 4 | 22 | 219 | 5.5 | 54.8 |
| 8 | San Diego State | 4 | 27 | 244 | 6.8 | 61.0 |
| 9 | Utah State | 4 | 33 | 271 | 8.3 | 67.8 |
| 10 | Colorado State | 4 | 30 | 279 | 7.5 | 69.8 |
| 11 | San Jose State | 4 | 34 | 305 | 8.5 | 76.3 |
| 12 | Fresno State | 5 | 34 | 309 | 6.8 | 61.8 |