2012 Big 12 Conference Leaders Passing - Games in October Only through 01/07/2013
| Name | Team | Yr | Pos | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Collin Klein | Kansas St | SR | QB | 4 | 85 | 61 | 71.8 | 872 | 10.3 | 7 | 0 | 185.13 | 21.3 | 218.0 |
| 2 | Seth Doege | Texas Tech | SR | QB | 4 | 170 | 119 | 70.0 | 1351 | 7.9 | 15 | 5 | 159.99 | 42.5 | 337.8 |
| 3 | Nick Florence | Baylor | SR | QB | 3 | 111 | 73 | 65.8 | 1067 | 9.6 | 6 | 6 | 153.55 | 37.0 | 355.7 |
| 4 | Steele Jantz | Iowa State | SR | QB | 3 | 61 | 40 | 65.6 | 415 | 6.8 | 5 | 1 | 146.49 | 20.3 | 138.3 |
| 5 | Landry Jones | Oklahoma | SR | QB | 4 | 157 | 101 | 64.3 | 1236 | 7.9 | 7 | 2 | 142.62 | 39.3 | 309.0 |
| 6 | Geno Smith | WVU | SR | QB | 3 | 122 | 75 | 61.5 | 686 | 5.6 | 6 | 2 | 121.66 | 40.7 | 228.7 |
| 7 | Trevone Boykin | TCU | FR | QB | 4 | 154 | 92 | 59.7 | 1048 | 6.8 | 10 | 6 | 130.54 | 38.5 | 262.0 |
| 8 | David Ash | Texas | SO | QB | 4 | 105 | 62 | 59.0 | 719 | 6.8 | 2 | 4 | 115.24 | 26.3 | 179.8 |
| 9 | Dayne Crist | Kansas | SR | QB | 3 | 55 | 29 | 52.7 | 338 | 6.1 | 1 | 3 | 99.44 | 18.3 | 112.7 |
| 10 | Jared Barnett | Iowa State | SO | QB | 4 | 97 | 47 | 48.5 | 555 | 5.7 | 6 | 3 | 110.73 | 24.3 | 138.8 |
Note: To qualify, player must have played in 75% of his team's games and have a minimum of 15.0 pass attempts per game played.