| Acronym | Definition |
|---|
| CWA | Clean Water Act (33 USC) |
| CWA | Communications Workers of America |
| CWA | Concerned Women for America |
| CWA | CEN Workshop Agreement (European pre-normative document) |
| CWA | Clean Water Action |
| CWA | County Warning Area |
| CWA | Country Women's Association (Australia) |
| CWA | Chemical Warfare Agents |
| CWA | Civil Works Administration |
| CWA | Christian World Adoption (Charleston, SC) |
| CWA | California Waterfowl Association |
| CWA | Constant Wattage Autotransformer |
| CWA | Closed World Assumption |
| CWA | Construction Writers Association |
| CWA | Child Workers in Asia (est. 1985) |
| CWA | Canadian Welding Association |
| CWA | Contract With America |
| CWA | California Workforce Association |
| CWA | Center Weather Advisory |
| CWA | Central Water Authority (environment-trade) |
| CWA | Climbing Wall Association |
| CWA | Catch Wrestling Association |
| CWA | Climbing Wall Award (UK) |
| CWA | Cat Writers' Association, Inc |
| CWA | Championship Wrestling Association |
| CWA | County Welfare Agency |
| CWA | Common Work Area (CICS) |
| CWA | Cimbalom World Association (Budapest, Hungary) |
| CWA | Wausau, WI, USA - Central Wisconsin Airport (Airport Code) |
| CWA | Customer Web Access |
| CWA | Clean Work Area (NASA) |
| CWA | Cape Wind Associates, LLC |
| CWA | Controlled Work Area |
| CWA | Caution Warning Advisory |
| CWA | Crackers With Attitude (Backstreet Boys) |
| CWA | California Warehouse Association |
| CWA | Call Waiting Alert |
| CWA | Caution and Warning Annunciator (NASA) |
| CWA | Cariboo Woodlot Association (Canada) |
| CWA | California Warehousing Associates (California Intermodal Associates) |
| CWA | Cadet Wing Adjutant (military college) |
| CWA | Contract Work Authorization |
| CWA | Cash with Acceptance |
| CWA | Copenhagen Wuzuquan Academy |
| CWA | Czech Wrestling Association (Czech Republic) |
| CWA | Certified Wellness Ambassador (Royal College of Alternative Medicine, Dublin, Ireland) |
| CWA | Cold Wall Abated |
| CWA | Coordinator of Welfare and Attendance |
| CWA | Charlotte Woodworkers Association (North Carolina, USA) |
| CWA | Continuously Welded Aluminum Armor |
| CWA | Chartered Wealth Advisor |