| Abbreviation | Definition |
|---|---|
| WHCS | Washington Heights Community Services |
| WHCSF | West Hills Christian School Foundation |
| WHCT | Wildlife Habitat Charitable Trust |
| WHEF | Women’s Healthcare Education Fund |
| WHEF | Womens Healthcare Education Fund |
| WHEF | World Health and Education Foundation |
| WHF | Washington Health Foundation |
| WHF | Wetland Habitat Fund |
| WHF | Women's Heart Foundation |
| WHF | World Haflinger Federation |
| WHF | World Heart Federation |
| WHF | World Huaren Federation |
| WHFC | Wide Horizons For Children, Inc. |
| WHFC | Woods Hole Field Center |
| WHFI | Welcome Home Foundation, Inc. |
| WHFL | Women's Health For Life |
| WHHA | White House Historical Association |
| WHHF | Washington Hospital Healthcare Foundation |
| WHHF | We Heart Harlie and Friends |
| WHHO | World Homecare and Hospice Organization |