| Abbreviation | Definition |
|---|---|
| WAMD | Wisconsin Association of Medical Directors |
| WAME | World Association of Medical Editors |
| WAML | World Association for Medical Law |
| WANA | Washington Association of Nurse Anesthetists |
| WANA | Western Australian Newsagents Association |
| WAOA | Western Agency Officers Association |
| WAOP | Washington Association of Optometric Physicians |
| WAPA | Washington Asphalt Pavement Association |
| WAPC | World Association of Press Councils |
| WASA | Washington Association of School Administrators |
| WASA | Wisconsin Adult Soccer Association |
| WASC | Western Association For Schools And Colleges |
| WASC | Western Association of Schools and Colleges |
| WASLI | World Association of Sign Language Interpreters |
| WASPA | Wireless Application Services Providers Association |
| WATA | World Arabic Translators Association |
| WATB | Washington Association of Ticket Brokers |
| WATESOL | Washington Area Teachers of English to Speakers of Other Languages |
| WAVRMA | WAshington Vacation Rental Managers Association |
| WBA | Wisconsin Builders Association |