| Abbreviation | Definition |
|---|---|
| WPSR | Washington Physicians for Social Responsibility |
| WPT | World Parrot Trust |
| WPTC | Wildlife Preservation Trust Canada |
| WPTI | Wildlife Preservation Trust International |
| WPU | Women's Peace Union |
| WPVA | Wisconsin Paralyzed Veterans of America |
| WPVA | Women Photographers and Visual Artists |
| WQA | Water Quality Association |
| WQAW | Water Quality Association of Wisconsin |
| WQC | Water Quality Compact |
| WQF | The Whalequest Foundation |
| WR | World Relief |
| WRAD | Wave Riders Against Drugs |
| WRAD | World Recreation Association of the Deaf |
| WRAP | White Ribbon Against Pornography |
| WRAP | Worldwide Responsible Accredited Production |
| WRBF | White River Basin Foundation |
| WRBI | Wind River Bear Institute |
| WRC | Worker Rights Consortium |
| WRCC | Women's Resource And Crisis Centre |