2015 Pac-12 Conference Leaders Opponent Penalties - Games vs. Non-Conference Teams Only through 01/11/2016
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Arizona | 4 | 33 | 383 | 8.3 | 95.8 |
| 2 | California | 4 | 34 | 337 | 8.5 | 84.3 |
| 3 | Washington State | 4 | 33 | 323 | 8.3 | 80.8 |
| 4 | Oregon State | 3 | 19 | 200 | 6.3 | 66.7 |
| 5 | Washington | 4 | 24 | 216 | 6.0 | 54.0 |
| 6 | Colorado | 4 | 25 | 210 | 6.3 | 52.5 |
| 7 | UCLA | 4 | 26 | 203 | 6.5 | 50.8 |
| 8 | Oregon | 4 | 25 | 199 | 6.3 | 49.8 |
| 9 | Arizona State | 4 | 21 | 194 | 5.3 | 48.5 |
| 10 | Stanford | 4 | 20 | 191 | 5.0 | 47.8 |
| 11 | USC | 4 | 19 | 187 | 4.8 | 46.8 |
| 12 | Utah | 4 | 19 | 185 | 4.8 | 46.3 |