| Acronym | Definition |
|---|
| WMO | World Meteorological Organization |
| WMO | Wet Maatschappelijke Ondersteuning (Dutch) |
| WMO | Waste Motor Oil (fuel) |
| WMO | Window Meta Object |
| WMO | Women Mail Order |
| WMO | Watershed Management Organization |
| WMO | Wholesale Must-Offer |
| WMO | Workstation Multimedia Outlet (Corning Cable Systems) |
| WMO | World Memon Organization |
| WMO | Wearing Me Out |
| WMO | White Mountain, Alaska (Airport Code) |
| WMO | Weights and Measures Office (Singapore) |
| WMO | Weld Metal Overlay (boilers) |
| WMO | Wolf Myer Orchestra |
| WMO | Web Management Option (Computer Associates) |
| WMO | Waste Management Operation |
| WMO | Wireless Mobile Operator (telecommunications) |
| WMO | Worldwide Missionary Outreach, Inc. |
| WMO | Wireless Monitoring Organization |
| WMO | Wireless Messaging Operations |
| WMO | Work Management Office |