| Acronym | Definition |
|---|
| BSF | Border Security Force (India) |
| BSF | Building Schools for the Future (UK Government education initiative) |
| BSF | Bolivares Fuertes (Venezuelan currency) |
| BSF | Bean Scripting Framework (IBM) |
| BSF | Bible Study Fellowship |
| BSF | British Softball Federation (UK) |
| BSF | Bond Security Framework |
| BSF | Best Sister Forever |
| BSF | Bibliotecarios sem Fronteiras (Portuguese: Librarians without Borders) |
| BSF | Building Strong Families (various organizations) |
| BSF | Bonneville Salt Flats (Utah) |
| BSF | Banque Saudi Fransi (Saudi Arabia) |
| BSF | Back Surface Field |
| BSF | Broadband Services Forum |
| BSF | Barth Syndrome Foundation (Larchmont, NY) |
| BSF | B-Cell Stimulatory Factor |
| BSF | Bit Scan Forward |
| BSF | Boy Sets Fire (band) |
| BSF | British Standard Fine (screw thread) |
| BSF | Brussels Summer Festival (Belgium) |
| BSF | Bigger, Stronger, Faster (anabolic steroid use documentary) |
| BSF | Bibliothèques sans Frontières (French: Libraries without Borders) |
| BSF | But, Seriously Folks |
| BSF | Blue Sky Factory (Baltimore, MD) |
| BSF | Bekaert Specialty Films (San Diego, CA) |
| BSF | Baltic Sea Forum (est. 1992) |
| BSF | Brain and Spine Foundation (UK) |
| BSF | Bulk Storage Facility |
| BSF | Budget Stabilization Funds (various locations) |
| BSF | Basic Sliding Fee |
| BSF | Band Stop Filter |
| BSF | Bonsai Societies of Florida |
| BSF | Benign Senescent Forgetfulness |
| BSF | Biblical Studies Foundation |
| BSF | Big Stupid Fighter |
| BSF | Balkan Sunflowers |
| BSF | Better School Food |
| BSF | United States-Israel Bi-National Science Foundation (Jerusalem, Israel) |
| BSF | Bimini Superfast |
| BSF | Bibliothèque Sigmund Freud (French: Sigmund Freud Library) |
| BSF | Ball Spin Frequency (engineering) |
| BSF | Bières sans Frontières (French: Beers without Borders; beer festival; UK) |
| BSF | Biologie sans Frontières (French: Biology without Borders) |
| BSF | Border Social Forum (Mexico) |
| BSF | Back Scatter Factor |
| BSF | Below Seafloor (i.e., meters below seafloor) |
| BSF | Blacksmith Forged |
| BSF | Bachelor of Science in Finance |
| BSF | Brief Stop For Fuel |
| BSF | Boutique San Francisco |
| BSF | Back Spot Facing |
| BSF | Bazar sans Frontières (French: Bazaar without Borders; Madagascar) |
| BSF | Bottomless Sand Filter |
| BSF | Basal Skull Fracture (injury) |
| BSF | Budget Submission Figure |
| BSF | Bibliographie Sociolinguistique Francophone (French: Francophone Sociolinguistic Bibliography) |
| BSF | Bering Straits Foundation (Nome, Alaska) |
| BSF | British Shipping Federation |
| BSF | Black Science Forum |
| BSF | Bering Sea Fisherman |
| BSF | Blogueurs sans Frontières (French: Bloggers without Borders) |
| BSF | Bulk Shielding Facility, Oak Ridge |
| BSF | Billing Suspense File |
| BSF | Baseline System Functional |
| BSF | Big Sky Fairy |
| BSF | Basic Supplement File |
| BSF | Brigade Sets Fielding |
| BSF | Bridge Static Filtering (Cisco) |
| BSF | Broken Stow Factor (military sealift stowage planning) |
| BSF | Bordereau de Situation Fiscale (French: Fiscal Situation Schedule) |
| BSF | Big Sandwich Friday |
| BSF | Black Sea Fund LP |