WHO
| Acronym | Definition |
|---|---|
| WHO | World Health Organization |
| WHO | White House Office (United States) |
| WHO | Women Helping Others |
| WHO | We Help Others (service group) |
| WHO | We Help Ourselves (Dallas, TX) |
| WHO | Wrist-Hand Orthosis |
| WHO | Weird Happenings Organisation (fiction) |
| WHO | Wood Heat Organization, Inc. |
| WHO | World Honda Organization (motorcyclists) |
| WHO | Well Head Outlet (oil drilling) |