| Abbreviation | Definition |
|---|---|
| CWIMA | Cricket West Indies Masters Association |
| CWMA | Central Weights and Measures Association |
| CWMA | Cooperative Weed Management Association |
| CWOA | California Wrestling Officials Association |
| CWOA | Chief Warrant Officer Association |
| CWOA | Chief Warrant Officers Association |
| CWOA | Colorado Water Officials Association |
| CWOA | Colorado Wrestling Officials Association |
| CWPA | Canadian Wood Preservation Association |
| CWPA | Center for Watershed Protection Association |
| CWRA | Central Wisconsin Racing Association |
| CWRA | Central Wisconsin Repeater Association |
| CWRA | Connecticut Wildlife Rehabilitators Association |
| CWSA | Canadian Women's Suffrage Association |
| CWSA | Cleveland Web Standards Association |
| CWSA | Coastal Water Suppliers Association |
| CWSA | Competitive Wake Surf Association |
| CWSAA | Canada West Ski Areas Association |
| CWTA | Canadian Wood Truss Association |
| CWTA | Central Wisconsin Trapshooting Association |