| Abbreviation | Definition |
|---|---|
| REAMS | Resources Evaluation and Management System |
| REAP | Research and Engineering Apprenticeship Program |
| REB | Confederate Soldier |
| REB | Radar Evaluation Branch |
| REB | Radio Equipment Box |
| REB | Rebel |
| REB | Restricted Equipment Bay |
| REB | Restricted Equipment Building |
| REB | Rocket Engine Band |
| REBAM | Realistic European Battlefield Acquisition Model |
| REBAR | Re- Inforcing Bar |
| REBE | REcovery Beacon Evaluation |
| REBECCA | Radar Responder Beacon System |
| REBI | Reserve Enlisted Basic Indoctrination |
| REC | Radio Electronic Combat |
| REC | Receive |
| REC | Received |
| REC | Receiver |
| REC | RECommendation |
| REC | Record of Consideration |