| Abbreviation | Definition |
|---|---|
| BNA | Royal Institute of Dutch Architects |
| BNCS | British National Carnation Society |
| BNES | Baba Nanak Education Society |
| BNES | Baba Nanak Educational Society |
| BNES | Bangalore North Education Society |
| BNES | British Nuclear Energy Society |
| BNHS | Belfast Natural History Society |
| BNHS | Birmingham Natural History Society |
| BNHS | Bombay Natural History Society |
| BNMS | British Nuclear Medicine Society |
| BNS | Belgian Nuclear Society |
| BNS | Belgian Nutrition Society |
| BOCA | Building Officials & Code Administrators International |
| BODS | Bishopshalt Operatic and Dramatic Society |
| BOG | Belgian Society of Ophthalmology |
| BOG | Belgisch Oftalmologisch Gezelschap |
| BOG | Société Belge d'Ophtalmologie |
| BOG | Socit Belge d'Ophtalmologie |
| BOHS | British Occupational Hygiene Society |
| BOMS | Buckeye Operations Management Society |