| 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) |