2018 Mountain West Conference Leaders Penalties - Games in December/January Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | San Diego State | 1 | 4 | 35 | 4.0 | 35.0 |
| 2 | Boise State | 1 | 6 | 50 | 6.0 | 50.0 |
| 2 | Nevada | 1 | 6 | 51 | 6.0 | 51.0 |
| 4 | Utah State | 1 | 7 | 76 | 7.0 | 76.0 |
| 5 | Fresno State | 2 | 9 | 70 | 4.5 | 35.0 |
| 6 | Hawai'i | 1 | 12 | 140 | 12.0 | 140.0 |