2015 Pac-12 Conference Leaders Fumbles Lost - Games Won Only through 01/11/2016
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 2 | 2 | 1 | 50.00 |
| 1 | Colorado | 4 | 3 | 1 | 33.33 |
| 3 | USC | 8 | 7 | 2 | 28.57 |
| 3 | Stanford | 12 | 8 | 2 | 25.00 |
| 5 | UCLA | 8 | 9 | 3 | 33.33 |
| 5 | Arizona State | 6 | 11 | 3 | 27.27 |
| 7 | Washington | 7 | 8 | 4 | 50.00 |
| 7 | Oregon | 9 | 11 | 4 | 36.36 |
| 7 | Washington State | 9 | 13 | 4 | 30.77 |
| 10 | Arizona | 7 | 11 | 5 | 45.45 |
| 11 | California | 8 | 10 | 7 | 70.00 |
| 11 | Utah | 10 | 19 | 7 | 36.84 |