| Abbreviation | Definition |
|---|---|
| BIU | British Independent Utilities |
| BJA | British Journal of Anaesthesia |
| BJC | British Journal of Criminology |
| BJGP | British Journal of General Practice |
| BJHS | British Journal for the History of Science |
| BJMP | British Journal of Medical Practitioners |
| BJO | British Junior Open |
| BJP | British Journal of Pain |
| BJP | British Journal of Pharmacology |
| BJPS | British Journal for the Philosophy of Science |
| BJSM | British Joint Staff Mission |
| BJSM | British Journal of Sexual Medicine |
| BJSM | British Journal of Sports Medicine |
| BL | British Lady |
| BL | British Layland |
| BLBA | British Libyan Business Association |
| BLCC | British Lead Climbing Championships |
| BLDP | Brent Learning Disability Partnership (UK) |
| BLG | British Livestock Genetics |
| BLMA | British Lock Manufacturers Association (UK) |