| Abbreviation | Definition |
|---|---|
| WAHSV | Washington Area Humane Society Volunteer |
| WAI | WildAid, Inc. |
| WAJF | W. Alton Jones Foundation (now dissolved) |
| WAL | White Activist League |
| WALA | Wisconsin Assisted Living Association |
| WALC | Wilderness Advocates Late of CLAW |
| WALQ | West Alabama Quality of Life Coalition |
| WAMM | Wo/Men's Alliance for Medical Marijuana |
| WAMS | Women Against Muscular Sclerosis |
| WAMT | Washington Association for Medical Transcription |
| WAMW | Wayfinders Association of Modern Wizardry |
| WAND | Women's Action for New Directions |
| WANDEF | Women's Action for New Directions Education Fund |
| WANF | Warren A. Nicholson Foundation |
| WANJ | Washington Association of New Jersey |
| WANO | World Association of Nuclear Operators |
| WAO | World Allergy Organization |
| WAP | Whale Adoption Project |
| WAPA | Wisconsin Chapter, American Planning Association |
| WAPC | Wisconsin Association For Perinatal Care |