FBA
- Belgian Forces in Germany
- Federal Bar Association
- Federation of British Artists
- Fellow of the British Academy
- Filsports Basketball Association
- First Baptist Academy (Houston, Texas)
- First Baptist Academy (disambiguation)
- First Baptist Academy of Dallas
- First Baptist Church (Atlanta)
- Fixed-block architecture
- Florida Basketball Association
- Flux balance analysis
- Folke Bernadotte Academy
- Fonte Boa Airport
- Found Brothers Aviation
- Foundational Black Americans
- Franco-British Aviation
- French BasketBall Association
- Freshwater Biological Association
- Fulfillment by Amazon
- Fundamental assessment
- Fusiform body area
- XVA