2018 Conference USA Leaders Opponent Penalties - Games in August/September Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Western Kentucky | 5 | 35 | 338 | 7.0 | 67.6 |
| 2 | UAB | 4 | 24 | 250 | 6.0 | 62.5 |
| 2 | Louisiana Tech | 4 | 21 | 250 | 5.3 | 62.5 |
| 4 | Old Dominion | 5 | 29 | 296 | 5.8 | 59.2 |
| 5 | UTSA | 5 | 32 | 288 | 6.4 | 57.6 |
| 6 | UTEP | 5 | 30 | 274 | 6.0 | 54.8 |
| 7 | Charlotte | 5 | 25 | 255 | 5.0 | 51.0 |
| 8 | Southern Mississippi | 4 | 25 | 198 | 6.3 | 49.5 |
| 9 | Florida International | 5 | 25 | 243 | 5.0 | 48.6 |
| 10 | North Texas | 5 | 28 | 237 | 5.6 | 47.4 |
| 11 | Middle Tennessee | 4 | 25 | 186 | 6.3 | 46.5 |
| 12 | Marshall | 4 | 24 | 179 | 6.0 | 44.8 |
| 13 | Florida Atlantic | 5 | 23 | 223 | 4.6 | 44.6 |
| 14 | Rice | 5 | 25 | 222 | 5.0 | 44.4 |