2021 Pac-12 Conference Leaders Opponent Penalties - Games vs. Non-Conference Teams Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 4 | 37 | 298 | 9.3 | 74.5 |
| 2 | Utah | 4 | 31 | 292 | 7.8 | 73.0 |
| 3 | Washington State | 4 | 26 | 208 | 6.5 | 52.0 |
| 4 | Oregon State | 4 | 23 | 200 | 5.8 | 50.0 |
| 5 | Stanford | 3 | 20 | 179 | 6.7 | 59.7 |
| 5 | USC | 3 | 20 | 172 | 6.7 | 57.3 |
| 7 | Washington | 3 | 19 | 190 | 6.3 | 63.3 |
| 8 | California | 3 | 18 | 161 | 6.0 | 53.7 |
| 9 | Colorado | 3 | 17 | 149 | 5.7 | 49.7 |
| 10 | Arizona State | 4 | 16 | 124 | 4.0 | 31.0 |
| 11 | Arizona | 3 | 15 | 130 | 5.0 | 43.3 |
| 11 | UCLA | 3 | 15 | 90 | 5.0 | 30.0 |