2011 Pac-12 Conference Leaders Passing Defense - Games in August/September Only through 01/09/2012
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Colorado | 4 | 114 | 66 | 57.9 | 734 | 6.4 | 8 | 1 | 133.40 | 28.5 | 183.5 |
| 2 | Oregon | 4 | 133 | 75 | 56.4 | 833 | 6.3 | 5 | 3 | 116.89 | 33.3 | 208.3 |
| 3 | Arizona State | 4 | 120 | 76 | 63.3 | 836 | 7.0 | 4 | 3 | 127.85 | 30.0 | 209.0 |
| 4 | Oregon State | 3 | 70 | 47 | 67.1 | 631 | 9.0 | 8 | 0 | 180.58 | 23.3 | 210.3 |
| 5 | USC | 4 | 142 | 88 | 62.0 | 911 | 6.4 | 6 | 1 | 128.39 | 35.5 | 227.8 |
| 6 | UCLA | 4 | 134 | 86 | 64.2 | 916 | 6.8 | 6 | 3 | 131.90 | 33.5 | 229.0 |
| 7 | California | 4 | 128 | 74 | 57.8 | 944 | 7.4 | 7 | 3 | 133.12 | 32.0 | 236.0 |
| 8 | Arizona | 4 | 130 | 93 | 71.5 | 1002 | 7.7 | 7 | 2 | 150.98 | 32.5 | 250.5 |
| 9 | Washington State | 3 | 111 | 70 | 63.1 | 763 | 6.9 | 3 | 2 | 126.12 | 37.0 | 254.3 |
| 10 | Utah | 3 | 117 | 66 | 56.4 | 790 | 6.8 | 3 | 4 | 114.75 | 39.0 | 263.3 |
| 11 | Stanford | 3 | 111 | 73 | 65.8 | 797 | 7.2 | 1 | 0 | 129.05 | 37.0 | 265.7 |
| 12 | Washington | 4 | 178 | 103 | 57.9 | 1310 | 7.4 | 7 | 3 | 129.30 | 44.5 | 327.5 |