| Abbreviation | Definition |
|---|---|
| WPFP | Wyoming: Positives for Positives |
| WPGF | Women's Policy Group Fund |
| WPHF | Western Pennsylvania Hospital Foundation |
| WPI | Water Partners International |
| WPJ | Wage Peace and Justice |
| WPN | Wildlife Protection Network |
| WPN | Wisconsin Prevention Network |
| WPN | Wood Promotion Network |
| WPNW | White Pride Northwest |
| WPOS | Western Pennsylvania Optometric Society |
| WPPF | Watershed Protection Program Fund |
| WPRS | Wausau Paranormal Research Society |
| WPSA | Western Political Science Association |
| WPSA | Western Public Safety Alternatives |
| WPSA | Wildlife Preservation Society of Australia |
| WPSA | World's Poultry Science Association |
| WPSI | Wildlife Protection Society Of India |
| WPSI | Wisconsin Patient Safety Institute |
| WPSM | Womens' Pavilion of South Mississippi |
| WPSQ | Wildlife Preservation Society of Queensland |