| Acronym | Definition |
|---|
| BSB | Backstreet Boys |
| BSB | British Superbikes (motorcycle racing series) |
| BSB | Bayerische Staatsbibliothek |
| BSB | Bandar Seri Begawan (capital of Brunei) |
| BSB | Brigade Support Battalion |
| BSB | Bachelor of Science in Business |
| BSB | Bioinformatics and Systems Biology |
| BSB | British Satellite Broadcasting (early British satellite television taken over by BSkyB) |
| BSB | Base System Builder (software) |
| BSB | Brevet de Surveillant de Baignade (French: Lifeguard Certification) |
| BSB | Bundesverband Sekretariat und Büromanagement e.V. |
| BSB | British School of Brussels (Belgium) |
| BSB | Back Side Bus |
| BSB | British Sky Broadcasting Group PLC |
| BSB | Black Spring Break |
| BSB | Behavioral Surveillance Branch (US CDC) |
| BSB | British School of Beijing |
| BSB | Black Seabass (FAO fish species code) |
| BSB | Battle Standard Bearer (gaming) |
| BSB | Bibliothèque Sainte-Barbe (French library) |
| BSB | Boss Speed Bearings |
| BSB | Brasilia, Distrito Federal, Brazil - International (Airport Code) |
| BSB | Bank, State & Branch Code (Australia) |
| BSB | Bedside Bag (medical) |
| BSB | Better Stronger Better (online gaming clan) |
| BSB | Block Street & Building (blog) |
| BSB | Brisbane Symphonic Band (Brisbane, Australia) |
| BSB | Belgesel Sinemacilar Birligi (Association of Documentary Filmmakers, Turkey) |
| BSB | Baltimore Symphonic Band (Baltimore, MD) |
| BSB | Breed Specific Ban (dogs) |
| BSB | Brazilian Sac Brood (Disease) |
| BSB | British Standard Beam |
| BSB | Bit Synchronous Bay |
| BSB | Bandar Sungai Buaya SDN BHD (subsidiary of L&G, Malaysia) |
| BSB | Building Something Big (Chartered Institute of Building campaign; UK) |
| BSB | Batastini School of Basketball (Rhode Island) |
| BSB | Bead Stop Bead |
| BSB | Buckeye State Blog (political blog) |
| BSB | Bangor Savings Bank (Maine) |
| BSB | Bold Strokes Books (Valley Falls, NY) |
| BSB | Base Support Battalion |
| BSB | Bachelor of Science in Biology (various universities) |