| CWRS | Calgary Wildlife Rehabilitation Society
| Others |
| CWRS | Canada Western Red Spring
| Others |
| CWRS | Canadian Western Red Spring
| Others |
| CWRS | Center for Watershed Research and Service
| Others |
| CWRS | Center for Watershed Research Service
| Others |
| CWRS | Central Wisconsin Reef Society
| Others |
| CWRS | Centre for Water Resources Studies
| Others |
| CWRS | Centre for Work
| Others |
| CWRS | Centre for Work Related Studies
| Others |
| CWRS | Civil War Recurring Sieges
| Others |
| CWRS | Civil War Reenactment Society
| Others |
| CWRS | Coastal Wildlife Refuge Society
| Others |
| CWRS | Coastal Works Rehabilitation Solutions
| Others |
| CWRS | Construction Workers Registration System
| Others |
| CWRS | Construction Workforce Registration System
| Others |
| CWRS | Crimean War Research Society
| Others |