| Acronym | Definition |
|---|
| FBAS | Farb-Bild-Austast-Synchron-signal (video) |
| FBAS | Fixed Base |
| FBAS | Fatties Burger Appreciation Society |
| FBAS | Fixed-Bed Biofilm Activated Sludge (wastewater treatment) |
| FBAS | Federation of British Aquatic Societies |
| FBAS | Football Blogging Award |
| FBAS | Farm Business Advice Service (UK) |
| FBAS | FarbBild-AustastSystem (video signal) |
| FBAS | Fund-Based Accounting System |
| FBAS | Fort Bend Archeological Society (Texas) |
