| REM/S | Rems Per Second 
| Others |
| REMS | Radiation Exposure Monitoring System
| Others |
| REMS | Rapid Extrication Module Support
| Others |
| REMS | Readiness and Emergency Management for Schools
| Others |
| REMS | Real Estate Management Services
| Others |
| REMS | Real Estate Management Solutions
| Others |
| REMS | Remote Erosion Monitoring System
| Others |
| REMS | Renaissance Elementary School
| Others |
| REMS | Research Enterprise Management System
| Others |
| REMS | Rigorous Engineering of Mainstream Systems
| Others |
| REMS | Risk Elimination Mitigation Strategy
| Others |
| REMS | Risk Evaluation and Mitigation Strategies
| Others |
| REMS | Risk Evaluation and Mitigation Strategy
| Others |
| REMS | Rover Environmental Monitoring Station
| Others |