2018 Mountain West Conference Leaders Penalties - Games in August/September Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | UNLV | 4 | 17 | 133 | 4.3 | 33.3 |
| 2 | Fresno State | 4 | 18 | 165 | 4.5 | 41.3 |
| 3 | Air Force | 4 | 20 | 185 | 5.0 | 46.3 |
| 4 | Boise State | 4 | 25 | 209 | 6.3 | 52.3 |
| 5 | Hawai'i | 6 | 36 | 320 | 6.0 | 53.3 |
| 6 | Wyoming | 5 | 31 | 285 | 6.2 | 57.0 |
| 7 | Utah State | 4 | 28 | 235 | 7.0 | 58.8 |
| 8 | New Mexico | 4 | 29 | 248 | 7.3 | 62.0 |
| 9 | Colorado State | 5 | 38 | 321 | 7.6 | 64.2 |
| 10 | San Jose State | 4 | 34 | 281 | 8.5 | 70.3 |
| 11 | San Diego State | 4 | 33 | 319 | 8.3 | 79.8 |
| 12 | Nevada | 5 | 43 | 406 | 8.6 | 81.2 |