| Abbreviation | Definition |
|---|---|
| BELNET | Belgian Research Network |
| BEN | Bald Eagle Nursery |
| BEN | Belgian EMBnet Node (molecular biology) |
| BETA | British Equestrian Trade Association |
| BEVA | British Equine Veterinary Association |
| BG | Baby Groundhog |
| BGH | Bovine Growth Hormone |
| BGRB | British Greyhound Racing Board |
| BGS | British Goat Society |
| BHA | British Hamster Association |
| BHA | British Horseball Association |
| BHB | British Horseracing Board |
| BHCO | Brown- Headed Cowbird |
| BHIC | British Horse Industry Confederation |
| BHRA | British House Rabbit Association |
| BHRC | British Harness Racing Association (horses) |
| BHS | Big Hairy Spider |
| BHS | British Horse Society |
| BHVMA | British Holistic Veterinary Medicine Association |
| BIAA | Bovine Inferior Alveolar Artery |