| Acronym | Definition |
|---|
| FWO➣Frontier Works Organization (Pakistan) |
| FWO➣Fonds Voor Wetenschappelijk Onderzoek (Fund for Scientific Research; Flanders, Belgium) |
| FWO➣Full Working Order |
| FWO➣Fung Wan Online (video game) |
| FWO➣Facility and Waste Operations |
| FWO➣Fleet Watch Officer |
| FWO➣Facility Work Order |
| FWO➣Festival Winds Orchestra (Canada) |