| Abbreviation | Definition |
|---|---|
| BSMA | Bangladesh Soap Manufacturers Association |
| BSMA | Bradbury Science Museum Association |
| BSMA | British Secondary Metals Association |
| BSMA | Building Societies Members Association |
| BSNA | Baylor Student Nurses Association |
| BSNA | Bellin Student Nurses Association |
| BSNA | Bendigo Strathdale Netball Association |
| BSNA | Beth El Student Nurse Association |
| BSNA | Black Student Nurses Association |
| BSNA | Black Student Nursing Association |
| BSNA | British Specialist Nutrition Association |
| BSNA | Butler Student Nursing Association |
| BSOA | Badger State Outboard Association |
| BSOA | Big Sky Owners Association |
| BSPA | British Skewbald and Piebald Association |
| BSPA | British Speedway Promoters Association |
| BSPA | British Speedway Promoters' Association |
| BSPA | Business School Postgraduate Association |
| BSRA | Barbados Squash Rackets Association |
| BSRA | Boston Street Railway Association |