2012 Big 12 Conference Leaders Passing - Games in August/September Only through 01/07/2013
| Name | Team | Yr | Pos | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Geno Smith | WVU | SR | QB | 4 | 169 | 141 | 83.4 | 1728 | 10.2 | 20 | 0 | 208.37 | 42.3 | 432.0 |
| 2 | Seth Doege | Texas Tech | SR | QB | 4 | 147 | 105 | 71.4 | 1189 | 8.1 | 15 | 3 | 168.96 | 36.8 | 297.3 |
| 3 | Nick Florence | Baylor | SR | QB | 4 | 157 | 100 | 63.7 | 1585 | 10.1 | 16 | 5 | 175.76 | 39.3 | 396.3 |
| 4 | David Ash | Texas | SO | QB | 4 | 109 | 85 | 78.0 | 1007 | 9.2 | 10 | 1 | 184.03 | 27.3 | 251.8 |
| 4 | Steele Jantz | Iowa State | SR | QB | 4 | 127 | 85 | 66.9 | 804 | 6.3 | 7 | 7 | 127.28 | 31.8 | 201.0 |
| 6 | Landry Jones | Oklahoma | SR | QB | 3 | 107 | 68 | 63.6 | 778 | 7.3 | 5 | 2 | 136.31 | 35.7 | 259.3 |
| 7 | Casey Pachall | TCU | JR | QB | 4 | 97 | 64 | 66.0 | 948 | 9.8 | 10 | 1 | 180.03 | 24.3 | 237.0 |
| 8 | Dayne Crist | Kansas | SR | QB | 4 | 129 | 62 | 48.1 | 763 | 5.9 | 2 | 4 | 96.67 | 32.3 | 190.8 |
| 9 | Collin Klein | Kansas St | SR | QB | 4 | 80 | 56 | 70.0 | 763 | 9.5 | 5 | 2 | 165.75 | 20.0 | 190.8 |
| 10 | J.W. Walsh | Okla St | FR | QB | 4 | 78 | 52 | 66.7 | 797 | 10.2 | 8 | 2 | 181.21 | 19.5 | 199.3 |
| 11 | Wes Lunt | Okla St | FR | QB | 3 | 75 | 51 | 68.0 | 588 | 7.8 | 4 | 3 | 143.46 | 25.0 | 196.0 |
| 12 | Michael Brewer | Texas Tech | FR | QB | 3 | 34 | 23 | 67.6 | 231 | 6.8 | 2 | 0 | 144.13 | 11.3 | 77.0 |
| 13 | Trevone Boykin | TCU | FR | QB | 3 | 10 | 9 | 90.0 | 74 | 7.4 | 1 | 0 | 185.16 | 3.3 | 24.7 |
| 14 | Paul Millard | WVU | SO | QB | 2 | 12 | 6 | 50.0 | 38 | 3.2 | 1 | 1 | 87.43 | 6.0 | 19.0 |
| 15 | Case McCoy | Texas | JR | QB | 3 | 8 | 5 | 62.5 | 64 | 8.0 | 1 | 0 | 170.95 | 2.7 | 21.3 |
| 16 | Bryce Petty | Baylor | SO | QB | 2 | 6 | 4 | 66.7 | 60 | 10.0 | 1 | 0 | 205.67 | 3.0 | 30.0 |
| 16 | Clint Chelf | Okla St | JR | QB | 2 | 8 | 4 | 50.0 | 51 | 6.4 | 1 | 1 | 119.80 | 4.0 | 25.5 |
| 16 | Blake Bell | Oklahoma | SO | QB | 3 | 5 | 4 | 80.0 | 61 | 12.2 | 0 | 0 | 182.48 | 1.7 | 20.3 |
| 16 | Jared Barnett | Iowa State | SO | QB | 2 | 9 | 4 | 44.4 | 31 | 3.4 | 0 | 1 | 51.15 | 4.5 | 15.5 |
| 20 | Brant Costilla | Texas Tech | JR | QB | 1 | 1 | 1 | 100.0 | 14 | 14.0 | 0 | 0 | 217.60 | 1.0 | 14.0 |
| 20 | Levi Norwood | Baylor | SO | WR | 4 | 1 | 1 | 100.0 | 21 | 21.0 | 0 | 0 | 276.40 | 0.3 | 5.3 |
| 20 | Christian Matthews | Kansas | JR | WR | 3 | 1 | 1 | 100.0 | 3 | 3.0 | 0 | 0 | 125.20 | 0.3 | 1.0 |
| 20 | Bradley Marquez | Texas Tech | SO | ATH | 4 | 1 | 1 | 100.0 | 1 | 1.0 | 0 | 0 | 108.40 | 0.3 | 0.3 |
| 20 | Cale Patterson | TCU | SR | P | 4 | 1 | 1 | 100.0 | -4 | -4.0 | 0 | 0 | 66.40 | 0.3 | -1.0 |