| Abbreviation | Definition |
|---|---|
| WHTP | White House Transition Project |
| WHTT | We Hold These Truths |
| WHVC | White House Visitor Center |
| WHW | White House Writer |
| WHWG | White House Writers Group |
| WHZ | Wildfire Hazard Zone |
| WI | With Interest |
| WI | WithIn |
| WI | Write In |
| WIAG | Wisconsin Indian Assistance Grant |
| WIAW | Working In And Around Water |
| WIB | War Industries Board |
| WIC | Women, Infants, and Children (Special supplemental food program) |
| WICA | WInd CAve National Park (National Park Service) |
| WICR | WIlson's CReek National Battlefield (National Park Service) |
| WIDP | Water Industry Development Program |
| WIDP | Workforce Investment Demonstration Project |
| WIEB | Western Interstate Energy Board |
| WIF | Wastewater Infrastructure Fund |
| WIFD | Wildlife and Inland Fisheries Division |