2015 Pac-12 Conference Leaders Passing Defense - Games in October Only through 01/11/2016
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Washington | 4 | 120 | 72 | 60.0 | 921 | 7.7 | 4 | 6 | 125.47 | 30.0 | 230.3 |
| 2 | USC | 4 | 125 | 80 | 64.0 | 957 | 7.7 | 7 | 7 | 135.59 | 31.3 | 239.3 |
| 3 | Stanford | 4 | 159 | 83 | 52.2 | 994 | 6.3 | 6 | 4 | 112.14 | 39.8 | 248.5 |
| 4 | UCLA | 4 | 171 | 104 | 60.8 | 1011 | 5.9 | 8 | 4 | 121.24 | 42.8 | 252.8 |
| 5 | Oregon State | 4 | 123 | 88 | 71.5 | 1040 | 8.5 | 8 | 2 | 160.78 | 30.8 | 260.0 |
| 6 | Utah | 4 | 153 | 85 | 55.6 | 1050 | 6.9 | 4 | 6 | 114.00 | 38.3 | 262.5 |
| 7 | Washington State | 5 | 155 | 97 | 62.6 | 1082 | 7.0 | 9 | 5 | 133.93 | 31.0 | 216.4 |
| 8 | California | 4 | 146 | 104 | 71.2 | 1178 | 8.1 | 6 | 3 | 148.45 | 36.5 | 294.5 |
| 9 | Colorado | 5 | 157 | 90 | 57.3 | 1222 | 7.8 | 10 | 3 | 139.91 | 31.4 | 244.4 |
| 10 | Arizona State | 4 | 158 | 97 | 61.4 | 1293 | 8.2 | 9 | 3 | 145.14 | 39.5 | 323.3 |
| 11 | Oregon | 4 | 202 | 127 | 62.9 | 1339 | 6.6 | 12 | 4 | 134.20 | 50.5 | 334.8 |
| 12 | Arizona | 5 | 189 | 125 | 66.1 | 1474 | 7.8 | 14 | 1 | 155.03 | 37.8 | 294.8 |