2018 Conference USA Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Southern Mississippi | 11 | 335 | 179 | 53.4 | 1932 | 5.8 | 13 | 14 | 106.32 | 30.5 | 175.6 |
| 2 | UAB | 13 | 375 | 204 | 54.4 | 2344 | 6.3 | 12 | 9 | 112.67 | 28.8 | 180.3 |
| 3 | Louisiana Tech | 12 | 361 | 204 | 56.5 | 2300 | 6.4 | 16 | 13 | 117.46 | 30.1 | 191.7 |
| 4 | Florida International | 13 | 373 | 225 | 60.3 | 2523 | 6.8 | 19 | 17 | 124.83 | 28.7 | 194.1 |
| 5 | UTEP | 12 | 322 | 203 | 63.0 | 2387 | 7.4 | 21 | 5 | 143.72 | 26.8 | 198.9 |
| 6 | Middle Tennessee | 12 | 397 | 221 | 55.7 | 2641 | 6.7 | 22 | 16 | 121.78 | 33.1 | 220.1 |
| 7 | Florida Atlantic | 10 | 324 | 201 | 62.0 | 2221 | 6.9 | 16 | 11 | 129.13 | 32.4 | 222.1 |
| 8 | Charlotte | 12 | 332 | 219 | 66.0 | 2780 | 8.4 | 20 | 9 | 150.75 | 27.7 | 231.7 |
| 9 | Marshall | 13 | 454 | 256 | 56.4 | 3048 | 6.7 | 17 | 12 | 119.86 | 34.9 | 234.5 |
| 10 | North Texas | 12 | 425 | 227 | 53.4 | 2953 | 6.9 | 14 | 17 | 114.64 | 35.4 | 246.1 |
| 11 | Western Kentucky | 12 | 406 | 228 | 56.2 | 2985 | 7.4 | 17 | 12 | 125.83 | 33.8 | 248.8 |
| 12 | Old Dominion | 12 | 407 | 248 | 60.9 | 3060 | 7.5 | 25 | 9 | 139.93 | 33.9 | 255.0 |
| 13 | Rice | 12 | 358 | 223 | 62.3 | 3269 | 9.1 | 26 | 8 | 158.49 | 29.8 | 272.4 |
| 14 | UTSA | 12 | 350 | 229 | 65.4 | 3303 | 9.4 | 25 | 9 | 163.13 | 29.2 | 275.3 |