FWO
| 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) |