| Abbreviation | Definition |
|---|---|
| BFRL | Building & Fire Research Laboratory |
| BFRP | Boron Fiber Reinforced Plastics |
| BFS | Backup Flight System |
| BFS | Blast Furnace Slag |
| BFS | Beam Foil Spectroscopy |
| BFS | Blood Fasting Sugar |
| BFT | Bigger Faster Truck |
| BFT | Bonded Function Theory |
| BFTPA | British Film and Television Producers Association |
| BFU-E | Burst-forming Unit-erythroid |
| BFV | Bradley Fighting Vehicle |
| BFZES | Breadboard Float Zone Experiment System |
| BG | Bone Graft |
| BG | Blood Glucose |
| BG | Bank Guarantee |
| BGA | Beginner's Guide to Aerodynamics |
| BGC | Biogeochemical Cycling |
| BGC | Business Geographics Conference |
| BGC | Blood Group Class |
| BGD | Blood Group Degradation |
| BGDN | Black Gangster Disciple Nation |
| BGE | Background Electrolyte |
| BGG | Bovine Gamma Globulin |
| BGH | Bovine Growth Hormone |
| BGL | Blood Garlic Level |
| BGL | Blood Glucose Level |
| BGM | Brace Gatarek And Musiela |
| BGM | Back Ground Music |
| BGN | Board on Geographic Names |
| BGO | Bismuth Germanium Oxide |
| BGR | Bangor International Airport |
| BGS | Balance, gate, station |
| BGS | Below Ground Surface |
| BGS | British Geological Survey |
| BGSA | Blood Granulocyte-specific Activity |
| BGSM | Bowman Gray School of Medicine |
| BGT | Baldurs Gate Triology |
| BGTT | Borderline glucose tolerance test |
| BGY | Billion Gallons per Year |
| BH | Bohrium |
| BH | Bad Heal |
| BH | Badge of Honour |
| BH | Barbanis Hamiltonian |
| BH | Brain Hormone |
| BHA | Bachelor of Hotel Administration |
| BHA | Bachelor in Health Administration |
| BHA | Beta Hydroxy Acid |
| BHA | Butylated HydroxyAnisole |
| BHA | Berkeley Housing Authority |
| BHA | 3-tert-butyl-4-hydroxyanisole Par |