2011 Pac-12 Conference Leaders Passing Defense - Games in October Only through 01/09/2012
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | California | 4 | 102 | 53 | 52.0 | 650 | 6.4 | 5 | 4 | 113.83 | 25.5 | 162.5 |
| 2 | Utah | 5 | 179 | 102 | 57.0 | 1087 | 6.1 | 8 | 6 | 116.04 | 35.8 | 217.4 |
| 3 | Oregon State | 5 | 158 | 99 | 62.7 | 1147 | 7.3 | 9 | 7 | 133.58 | 31.6 | 229.4 |
| 4 | Stanford | 5 | 185 | 110 | 59.5 | 1157 | 6.3 | 7 | 4 | 120.16 | 37.0 | 231.4 |
| 5 | UCLA | 4 | 142 | 94 | 66.2 | 993 | 7.0 | 8 | 6 | 135.08 | 35.5 | 248.3 |
| 6 | Washington State | 5 | 134 | 88 | 65.7 | 1329 | 9.9 | 15 | 6 | 176.96 | 26.8 | 265.8 |
| 7 | Washington | 4 | 143 | 92 | 64.3 | 1069 | 7.5 | 7 | 5 | 136.30 | 35.8 | 267.3 |
| 8 | Oregon | 4 | 187 | 100 | 53.5 | 1082 | 5.8 | 4 | 5 | 103.79 | 46.8 | 270.5 |
| 9 | Arizona State | 4 | 160 | 99 | 61.9 | 1086 | 6.8 | 5 | 10 | 116.71 | 40.0 | 271.5 |
| 10 | Colorado | 5 | 164 | 112 | 68.3 | 1506 | 9.2 | 14 | 2 | 171.16 | 32.8 | 301.2 |
| 11 | USC | 4 | 179 | 122 | 68.2 | 1275 | 7.1 | 7 | 7 | 133.08 | 44.8 | 318.8 |
| 12 | Arizona | 4 | 148 | 99 | 66.9 | 1344 | 9.1 | 8 | 6 | 152.90 | 37.0 | 336.0 |