| Abbreviation | Definition |
|---|---|
| WIGB | Washington Interns Gone Bad |
| WIHO | William Howard Taft National Historic Site (National Park Service) |
| WIIF | Washington Information Issues Forum |
| WIIM | WISHA Interim Operations & Interpretive Memoranda |
| WIIP | Wage Index Improvement Program |
| WIIR | Warning Intelligence on the Internet Review |
| WIIR | Women In International Security |
| WIL | Work Integrated Learning |
| WIMT | Washington Incident Management Team |
| WIN | Whip Inflation Now |
| WIN | White Indian Negro |
| WIN | Working Incident Number |
| WINS | Ways To Implement New Solutions |
| WIP | Wildlife Inventory Plan |
| WIPP | Waste Isolation Pilot Plant |
| WIPT | Working-level Integrated Process Team |
| WIQA | Western Immigration Quarantine Anchorage |
| WIR | Wood Infestation Report |
| WIR | Wood-Destroying Insect Inspection Report |
| WISG | Water Issues Study Group |