| Abbreviation | Definition |
|---|---|
| BCSS | British Columbia Schizophrenia Society British Columbia |
| BCSS | Business and Commerce Students Society |
| BCST | Bird Conservation Society of Thailand |
| BCVS | British Chess Variants Society |
| BDA | Bermuda Dental Association |
| BDDS | Bach Dancing and Dynamite Society |
| BDLS | Boalt Disability Law Society |
| BDLS | Bournemouth and District Law Society |
| BDP | Association of German Professional Psychologists |
| BDP | Berufsverband Deutscher Psychologinnen und Psychologen |
| BDPS | Black Diamond Paranormal Society |
| BDPS | Building Dispute Practitioners Society |
| BDPS | Building Dispute Practitioners' Society |
| BDRS | British Double Reed Society |
| BDS | Bahrain Dental Society |
| BDS | British Dragonfly Society |
| BDU | Association of German Management Consultants |
| BDU | Bundesverband Deutscher Unternehmensberater |
| BEAST | Broncos Empowering A Society Together |
| BECS | British Equity Collecting Society |