FLUG
| Acronym | Definition |
|---|---|
| FLUG | Finnish Linux User Group (Linux support; Finland) |
| FLUG | Florida Local Users Group (computer-aided design) |
| FLUG | Flex London User Group (UK) |
| FLUG | Freiburger Linux User Group (Freiburg, Germany) |
| FLUG | Ferrara Linux User Group (online forum) |
| FLUG | Flight Lead Upgrade (USAF aircrew training program) |