2012 Pac-12 Conference Leaders Opponent Penalties - Games in December/January Only through 01/07/2013
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | USC | 1 | 8 | 88 | 8.0 | 88.0 |
| 2 | Arizona | 1 | 8 | 77 | 8.0 | 77.0 |
| 3 | Oregon State | 2 | 15 | 129 | 7.5 | 64.5 |
| 4 | Oregon | 1 | 7 | 57 | 7.0 | 57.0 |
| 5 | Arizona State | 1 | 6 | 43 | 6.0 | 43.0 |
| 6 | Stanford | 1 | 4 | 40 | 4.0 | 40.0 |
| 7 | Washington | 1 | 3 | 23 | 3.0 | 23.0 |
| 8 | UCLA | 1 | 1 | 5 | 1.0 | 5.0 |