The Steelers have agreed to terms with nine rookie free agents, following the conclusion of the 2017 NFL Draft.
Below is a list of the nine rookie free agents.
| Name | Position | Height | Weight | School |
| Nelson Adams | DT | 6-3 | 287 | Mississippi State |
| Christian Brown | DT | 6-3 | 295 | West Virginia |
| Ethan Cooper | OG | 6-2 | 322 | Indiana-Pennsylvania |
| Francis Kallon | DE | 6-5 | 295 | Georgia Tech |
| Keith Kelsey | LB | 6-0 | 233 | Louisville |
| Scott Orndoff | TE | 6-4 | 253 | Pittsburgh |
| Nick Schuessler | QB | 6-3 | 196 | Clemson |
| Rushel Shell | RB | 5-9 | 227 | West Virginia |
| Terrish Webb | DB | 5-10 | 190 | Pittsburgh |
