FMLB
| Acronym | Definition |
|---|---|
| FMLB | Fédération Musicale du Luxembourg Belge (Belgian Luxembourg Music Federation) |
| FMLB | Fried My Little Brain (blog) |
| FMLB | First Mate Last Break (electrical connector) |
| FMLB | Fous Moi le Bordel (French: I Made a Mess) |
| FMLB | Fanfare Municipale Luxembourg Bonnevoie |
| FMLB | First Mortgage Lenders/Brokers (Connecticut) |