| Acronym | Definition |
|---|
| BSMC | Biblioteca Di Storia Moderna E Contemporanea (Italian: Library of Modern and Contemporary History) |
| BSMC | Broadway Sound Master Classes (various locations) |
| BSMC | Buffalo Soldiers Motorcycle Club |
| BSMC | Bronchial Smooth Muscle Cell |
| BSMC | Brigade Support Medical Company |
| BSMC | Brands Services and Media Creation (Russia) |
| BSMC | Belgian Sleep Medical Course (Belgian Association for the Study of Sleep) |
| BSMC | Base Station Manufacturer Code |
| BSMC | Blue Sky Mission Club (band) |
| BSMC | Big Sandy Medical Center (Montana) |
| BSMC | Bladder Smooth Muscle Cell |
| BSMC | Dr. Bernd Steinmüller Sustainability Management Consulting (Germany) |
| BSMC | Businesses Supporting Minority Candidates (political action committee) |
| BSMC | Backward State Metric Calculation (computing) |
| BSMC | Bart Spaltman Management & Consultancy (Netherlands) |
| BSMC | Midwest Boar Stud Managers Conference (Missouri) |
| BSMC | Bristol Social Marketing Centre (UK) |
| BSMC | Bartlett Station Municipal Center (Tennessee) |
| BSMC | Bodoland State Movement Council (India) |
| BSMC | Brooke Street Medical Centre (Australia) |
| BSMC | Baltimore Shambhala Meditation Center (Maryland) |
| BSMC | Broad Street Ministry Center (Georgia) |
| BSMC | Birmingham Shambhala Meditation Center (Birmingham, AL) |
| BSMC | Border Security and Management Concept (Organization for Security and Co-operation in Europe) |
| BSMC | Big Show Music Co. (band) |
| BSMC | Balkan Student Mathematical Competition (est. 2008) |
| BSMC | Blue Sunshine Music Community (networking) |
| BSMC | Black Sea Media Club (Russia) |
| BSMC | Brazing and Soldering Manufacturers Committee (American Welding Society) |
| BSMC | Biologie des Systèmes et de Modélisation Cellulaire (French: Systems Biology and Cellular Modeling) |
| BSMC | Buffalo Soldiers of Southern Maryland (National Association of Buffalo Soldiers and Trooper Motorcycle Club) |
| BSMC | Bishop Sobrepena Memorial Church (Philippines) |
| BSMC | Brownstone Management Consulting (Chicago, IL) |
| BSMC | Braille Scale Monthly Competition (military vehicle scale models) |
| BSMC | Bereavement Services Management Centre (UK) |
| BSMC | Bruneau Saxton Management Consultants (Albany, NY) |