2018 Pac-12 Conference Leaders Penalties - Games vs. Non-Conference Teams Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Utah | 4 | 15 | 125 | 3.8 | 31.3 |
| 2 | Oregon | 4 | 16 | 164 | 4.0 | 41.0 |
| 3 | Oregon State | 3 | 17 | 179 | 5.7 | 59.7 |
| 4 | Colorado | 3 | 20 | 150 | 6.7 | 50.0 |
| 5 | Arizona | 3 | 22 | 209 | 7.3 | 69.7 |
| 6 | UCLA | 3 | 23 | 199 | 7.7 | 66.3 |
| 7 | USC | 3 | 24 | 228 | 8.0 | 76.0 |
| 8 | Arizona State | 4 | 25 | 194 | 6.3 | 48.5 |
| 9 | Stanford | 4 | 26 | 175 | 6.5 | 43.8 |
| 9 | Washington | 4 | 26 | 226 | 6.5 | 56.5 |
| 11 | California | 4 | 28 | 231 | 7.0 | 57.8 |
| 12 | Washington State | 4 | 31 | 280 | 7.8 | 70.0 |