2018 Pac-12 Conference Leaders Opponent Penalties - Games vs. FBS Teams With Winning Record Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Arizona | 7 | 57 | 521 | 8.1 | 74.4 |
| 2 | Stanford | 8 | 55 | 579 | 6.9 | 72.4 |
| 3 | USC | 7 | 44 | 404 | 6.3 | 57.7 |
| 3 | Washington | 10 | 63 | 494 | 6.3 | 49.4 |
| 5 | Washington State | 6 | 36 | 273 | 6.0 | 45.5 |
| 6 | California | 6 | 33 | 305 | 5.5 | 50.8 |
| 7 | Arizona State | 7 | 38 | 360 | 5.4 | 51.4 |
| 8 | Oregon | 7 | 35 | 256 | 5.0 | 36.6 |
| 9 | UCLA | 9 | 44 | 383 | 4.9 | 42.6 |
| 10 | Oregon State | 8 | 38 | 376 | 4.8 | 47.0 |
| 10 | Utah | 9 | 43 | 420 | 4.8 | 46.7 |
| 10 | Colorado | 5 | 24 | 229 | 4.8 | 45.8 |