| RESCU | Radio Emergency Search Communications Unit 
| Others |
| RESCU | Regional Environmental Sewer Conveyance Upgrade
| Others |
| RESCU | Remote Emergency Satellite Cellular Unit
| Others |
| RESCU | Remote Emergency Satellite Rescue Unit
| Others |
| RESCU | Renaissance Entertainers Services and Crafters United
| Others |
| RESCU | Renaissance Entertainers Services Crafters United
| Others |
| RESCU | Renaissance Entertainers Serviceworkers and Craftspeople United
| Others |
| RESCU | Residential Emergency Signal Color Units
| Others |
| ReSCU | Respiratory Special Care Unit
| Others |
| RESCU | Responders Emergency Services Credit Union
| Others |
| RESCU | Road Emergency Services Communication Unit
| Others |
| RESCU | Road Emergency Services Communications Unit
| Others |
| RESCU | Rural Emergency Stress Care Unit
| Others |