2012 Pac-12 Conference Leaders Passing Defense - Games in August/September Only through 01/07/2013
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arizona State | 5 | 136 | 68 | 50.0 | 685 | 5.0 | 4 | 8 | 90.26 | 27.2 | 137.0 |
| 2 | Washington | 4 | 109 | 58 | 53.2 | 671 | 6.2 | 3 | 4 | 106.66 | 27.3 | 167.8 |
| 3 | Utah | 4 | 126 | 73 | 57.9 | 873 | 6.9 | 7 | 2 | 131.30 | 31.5 | 218.3 |
| 4 | California | 5 | 187 | 121 | 64.7 | 1256 | 6.7 | 13 | 4 | 139.79 | 37.4 | 251.2 |
| 4 | Colorado | 5 | 187 | 116 | 62.0 | 1544 | 8.3 | 15 | 3 | 154.65 | 37.4 | 308.8 |
| 6 | USC | 4 | 151 | 87 | 57.6 | 918 | 6.1 | 5 | 8 | 109.01 | 37.8 | 229.5 |
| 7 | UCLA | 5 | 191 | 110 | 57.6 | 1217 | 6.4 | 6 | 9 | 112.06 | 38.2 | 243.4 |
| 8 | Arizona | 5 | 213 | 120 | 56.3 | 1422 | 6.7 | 10 | 5 | 123.22 | 42.6 | 284.4 |
| 9 | Washington State | 5 | 215 | 135 | 62.8 | 1547 | 7.2 | 11 | 6 | 134.53 | 43.0 | 309.4 |
| 10 | Stanford | 4 | 176 | 105 | 59.7 | 1006 | 5.7 | 2 | 7 | 103.47 | 44.0 | 251.5 |
| 11 | Oregon State | 3 | 133 | 78 | 58.6 | 947 | 7.1 | 5 | 3 | 126.35 | 44.3 | 315.7 |
| 12 | Oregon | 5 | 227 | 134 | 59.0 | 1253 | 5.5 | 8 | 8 | 109.98 | 45.4 | 250.6 |