2018 Pac-12 Conference Leaders Penalties - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | California | 2 | 6 | 49 | 3.0 | 24.5 |
| 2 | Washington State | 1 | 4 | 21 | 4.0 | 21.0 |
| 2 | Colorado | 2 | 8 | 99 | 4.0 | 49.5 |
| 4 | Stanford | 3 | 14 | 96 | 4.7 | 32.0 |
| 5 | Arizona State | 2 | 10 | 92 | 5.0 | 46.0 |
| 6 | Utah | 4 | 21 | 176 | 5.3 | 44.0 |
| 7 | Washington | 2 | 12 | 93 | 6.0 | 46.5 |
| 8 | Oregon State | 3 | 19 | 178 | 6.3 | 59.3 |
| 9 | Oregon | 2 | 13 | 114 | 6.5 | 57.0 |
| 10 | UCLA | 4 | 27 | 244 | 6.8 | 61.0 |
| 11 | Arizona | 1 | 7 | 75 | 7.0 | 75.0 |
| 12 | USC | 3 | 26 | 235 | 8.7 | 78.3 |