| Abbreviation | Definition |
|---|---|
| BMSA | British Medical Students Association |
| BMTC | Bremerton Metal Trades Council |
| BMTC | Brooklyn Metal Trades Council |
| BNFG | Big New Focus Group |
| BNMDP | Board of Natural Medicine Doctors and Practitioners |
| BOAC | Building Operators Association of Colorado |
| BOC | Board of Certification |
| BOCA | Building Officials and Code Administrators |
| BOD | Board Of Dentistry |
| BOF | Board Of FInance |
| BOFO | Best Of Friends Organisation |
| BOGF | Belilios Old Girls Foundation |
| BOR | Board of Representatives |
| BOS | British Orthodontic Society |
| BOTA | Builders Of The Adytum |
| BPA | British Paediatric Association |
| BPA | Business People Association |
| BPA | Business Process Analysis |
| BPA | Business Professionals of America |
| BPCS | British Postal Consultancy Service |