| Abbreviation | Definition |
|---|---|
| BOOG | British Osborne Owners Group |
| BORC | British Overseas Restaurant Corporation |
| BOSH | British Operational Security Headquarters |
| BOSS | British Office Supplies And Services |
| BOSTA | British Orthodontic Society Technicians Award |
| BOSTA | British Orthopaedic Sports Trauma Association |
| BOTC | British Overseas Territories citizen |
| BOTNA | Buddies of the Ninth Association (UK) |
| BP | British Parliarment |
| BP | British Pound |
| BPA | British Psychoanalytic Association |
| BPAS | British Pregnancy Advisory Service |
| BPC | British Printing Corporation |
| BPE | British Photographic Exhibitions |
| BPF | British Philatelic Federation |
| BPF | British Plastics Federation |
| BPGS | British Plant Gall Society |
| BPM | British Prime Minister |
| BPN | British Pendulum Number |
| BPN | British Petrol North |