| Abbreviation | Definition |
|---|---|
| WGSS | William Gilmore Simms Society |
| WGWA | Wisconsin Ground Water Association |
| WH | World Help |
| WH | Wunderwelt Hund |
| WHA | World Headache Alliance |
| WHAF | West Harlem Art Fund |
| WHAF | Women's Health Action Foundation |
| WHAF | Women's Health Advocacy Foundation |
| WHAG | Wildlife Habitat Advisory Group |
| WHAM | Wishes Hopes And Miracles |
| WHAN | Western Homelessness Assistance Network |
| WHAP | Woman Helping All People |
| WHBA | Wellington Home Birth Association |
| WHBA | Women Hurt By Abortion |
| WHC | Wildlife Habitat Council |
| WHC | Wisconsin Humanities Council |
| WHCA | Washington Hancock Community Agency |
| WHCE | World Harmony Council Europe |
| WHCF | Women's Health Care Foundation |
| WHCP | Washington Heights Corner Project |