| Abbreviation | Definition |
|---|---|
| WO1 | Warrant Officer - USMC |
| WOA | War Of Attrition |
| WOB | Women-Owned Business |
| WOC | without compensation |
| WOE | World Occupational Exposure |
| WOEV | World Occupational Exposure Value |
| WOEVS | World Occupational Exposure Values Symposium |
| WOFB | Woman- Owned Family Business |
| WOFE | Wholly Owned Foreign Enterprise |
| WOG | Western Oriental Groups |
| WOG | Workers Of Government |
| WOLA | Washington Office on Latin America |
| WOM | Waste Of Money |
| WOM | Word Of Mouth |
| WONDER | Wide-ranging Online Data for Epidemiologic Research (CDC) |
| WOP | With Out Papers |
| WOPM | Washington Office of Personnel Management |
| WOPU | Workers for One Postal Union |
| WORM | Worldwide Operational Record Management |
| WOSB | Woman Owned Small Business |