FLAB
| Acronym | Definition |
|---|---|
| FLAB | For Life and Beyond |
| FLAB | Fédération Luxembourgeoise des Amateurs de Billard (French: Luxembourg Amateur Billiard Federation; Luxembourg) |
| FLAB | Fort Lauderdale Area Brewers (Fort Lauderdale, FL, USA) |
| FLAB | Four-Letter Abbreviation |
| FLAB | Forensic Laboratory Advisory Board (Minnesota) |