FWU
| Acronym | Definition |
|---|---|
| FWU | Firmware Update |
| FWU | Fukuoka Women's University (Japan) |
| FWU | Forschungsgesellschaft für Wettbewerb und Unternehmensorganisation (German: Research Society for Competition and Business Organization) |
| FWU | Flight Watch Unit |
| FWU | Fort Wayne Union Railroad |