| Abbreviation | Definition |
|---|---|
| BSDA | Buddhism and Society Development Association |
| BSEA | Bihar Social Entrepreneur Association |
| BSFA | British Science Fiction Association |
| BSGA | Bethlehem Schwäbisch Gmünd Association |
| BSGA | British Sign and Graphics Association |
| BSHA | Black Students in Health Association |
| BSHA | British Show Horse Association |
| BSHSA | Bihar State Health Service Association |
| BSHSA | Bihar State Health Services Association |
| BSIA | Bangladesh Sick Industries Association |
| BSIA | Barrington Square Improvement Association |
| BSIA | Beijing Semiconductor Industry Association |
| BSIA | Belarusian Scientific Industrial Association |
| BSIA | Bereavement Services Industries Association |
| BSIA | Brampton Sunnatul Islamic Association |
| BSIA | British Standards Institute Association |
| BSIA | Burnt Store Isles Association |
| BSIF | Bocconi Students Investment Fund |
| BSJA | British Show Jumping Association |
| BSLA | Building Strong Library Associations |