A quick breakdown of every recruit in SMU's 2018 signing class:
| Name | Hometown/school | Pos. | Ht. | Wt. |
| Darren Brown | Converse/Judson | DT | 6-3 | 280 |
| William Brown | Rosenberg/Lamar Consolidated | QB | 6-4 | 193 |
| Trevor Denbow | Corsicana/Navarro College | OLB | 6-1 | 220 |
| Nick Dennis | Corsicana/Navarro College | OG | 6-4 | 315 |
| Shabazz Dotson | Cedar Hill/Cedar Hill | DT | 6-3 | 271 |
| Preston Ellison | Odessa/Permian | OLB | 6-3 | 205 |
| Treveon Johnson | Brenham/Brenham | ATH | 6-1 | 179 |
| Terry Keys | Dickinson/Dickinson | CB | 6-0 | 165 |
| Levon Livingston | Corsicana/Navarro College | OT | 6-7 | 275 |
| Beau Morris | Brenham/Blinn College | OT | 6-6 | 280 |
| Terrance Newman | Duncanville/Duncanville | DT | 5-11 | 282 |
| Jimmy Phillips | Mesquite/Poteet | OLB | 6-2 | 190 |
| Ben Redding | Friendswood/Friendswood | TE | 6-4 | 215 |
| J. |