2018 Pac-12 Conference Leaders Penalties - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Washington | 10 | 43 | 393 | 4.3 | 39.3 |
| 2 | Stanford | 9 | 46 | 373 | 5.1 | 41.4 |
| 3 | California | 9 | 46 | 420 | 5.1 | 46.7 |
| 4 | Oregon State | 9 | 50 | 423 | 5.6 | 47.0 |
| 5 | Oregon | 9 | 49 | 459 | 5.4 | 51.0 |
| 6 | Utah | 10 | 56 | 531 | 5.6 | 53.1 |
| 7 | UCLA | 9 | 59 | 485 | 6.6 | 53.9 |
| 8 | Arizona State | 9 | 54 | 505 | 6.0 | 56.1 |
| 9 | Colorado | 9 | 51 | 514 | 5.7 | 57.1 |
| 10 | Washington State | 9 | 55 | 558 | 6.1 | 62.0 |
| 11 | USC | 9 | 72 | 655 | 8.0 | 72.8 |
| 12 | Arizona | 9 | 73 | 699 | 8.1 | 77.7 |