| Acronym | Definition |
|---|
| BSA➣Business Software Alliance |
| BSA➣Boy Scouts of America |
| BSA➣Birmingham Small Arms (BSA motorcycles) |
| BSA➣Bank Secrecy Act |
| BSA➣Bovine Serum Albumin |
| BSA➣Botanical Society of America |
| BSA➣Body Surface Area |
| BSA➣Black Student Alliance |
| BSA➣Boston Society of Architects (Boston, MA) |
| BSA➣British Sociological Association |
| BSA➣Building Societies Association (UK) |
| BSA➣Bitstream Access |
| BSA➣Bad Sooden-Allendorf (Germany) |
| BSA➣Bank of South Australia |
| BSA➣British Stammering Association |
| BSA➣Board of Standards and Appeals (New York) |
| BSA➣Baltimore School for the Arts (Baltimore, MD) |
| BSA➣Business Services Authority (NHS) |
| BSA➣Broad-Spectrum Antibiotic |
| BSA➣Broadcasting Standards Authority (New Zealand) |
| BSA➣Bureau of State Audits (California) |
| BSA➣Basic Serving Arrangements |
| BSA➣Black Student Association |
| BSA➣Bons de Souscription d'Actions (French: buy option) |
| BSA➣British School at Athens (school of classical studies and archaeology in Athens) |
| BSA➣Brotherhood of St. Andrew (various locations) |
| BSA➣Balance Sheet Analysis |
| BSA➣Basic Skills Agency (UK) |
| BSA➣Business Services Administration (various locations) |
| BSA➣Business Software Association |
| BSA➣Brigade Support Area |
| BSA➣British School of Amsterdam (Amsterdam, Netherlands) |
| BSA➣Buy-Sell Agreement (contracts) |
| BSA➣Business Systems Analysis |
| BSA➣Basic Savings Account |
| BSA➣Board of Scientific Advisors |
| BSA➣Bearing Specialists Association |
| BSA➣Bison Sports Arena (North Dakota State University) |
| BSA➣British Society of Audiology |
| BSA➣Bachelor of Science In Accountancy (degree) |
| BSA➣Basic Service Area |
| BSA➣Bachelor of Science in Agriculture (degree) |
| BSA➣Business Start-Up Assistant (Canada) |
| BSA➣Billing Service Agreement (various organizations) |
| BSA➣Blowing Snow Advisory (weather) |
| BSA➣Brussels Sports Association |
| BSA➣Board of Supreme Audit (Iraq) |
| BSA➣Backpacking South Africa |
| BSA➣N,O-Bis(Trimethylsilyl)acetamide (silylation reagent) |
| BSA➣Bulk Segregant Analysis |
| BSA➣Booking South Africa |
| BSA➣Brownfields Site Assessment (Texas) |
| BSA➣Bible Science Association (creationism) |
| BSA➣Bangladesh Student Association |
| BSA➣Business Service Assistant (various locations) |
| BSA➣Board of Scientific Affairs |
| BSA➣Base Station Antenna |
| BSA➣Baseball Softball Academy (various locations) |
| BSA➣Bulgarian Studies Association |
| BSA➣Bachelor of Science in Architecture (degree) |
| BSA➣Buffalo Sewer Authority (New York) |
| BSA➣Bidouilleurs sans Argent (French: Hackers without Money; website) |
| BSA➣Birdcare Standards Association |
| BSA➣Buffer Stop Assembly (US DoD) |
| BSA➣Balance Sensor Assembly (Silicon Sensing Systems component of the Segway HT) |
| BSA➣Balance Sheet Account |
| BSA➣Business Systems Architecture (Sprint) |
| BSA➣Bridgewater Sports Arena (Bridgewater, NJ) |
| BSA➣Business Solutions Architect |
| BSA➣Balochistan Scouts Association (Pakistan) |
| BSA➣Backbone Service Area |
| BSA➣Bibliothèque des Sciences de l'Antiquité (French: Library of Ancient Science; University of Lille) |
| BSA➣Beach Support Area |
| BSA➣Bamboo Society of Australia (Queensland, Australia) |
| BSA➣Biofeedback Society of America |
| BSA➣Bachelor of Science and Arts (degree) |
| BSA➣Bible Sabbath Association |
| BSA➣Beavercreek Soccer Association |
| BSA➣Binary Switching Algorithm |
| BSA➣Bell Solutions d'affaires (French: Bell Business Solutions) |
| BSA➣Bridgewater Soccer Association (est. 1975) |
| BSA➣Besançon Sport Airsoft (French airsoft group) |
| BSA➣Business Systems Applications (US Navy) |
| BSA➣Business Service Agreement |
| BSA➣Block Space Agreement (freight contract) |
| BSA➣Blois Sologne Astronomie (French astronomy club) |
| BSA➣Blavet Scorff Athlétisme (French athletic club) |
| BSA➣Blanket Sales Agreement (finance) |
| BSA➣Belgian Strong Ale |
| BSA➣Bloody Sore Arse (bicycle/rowing) |
| BSA➣Basic Standardization Agreement |
| BSA➣Backstage Access (magazine; Los Angeles, CA) |
| BSA➣Badminton South Africa |
| BSA➣Buffer Storage Area |
| BSA➣Basic Service Agreement |
| BSA➣Basic Street Address (US Census) |
| BSA➣Basic Surface Attack |
| BSA➣Budget Subactivity |
| BSA➣British Small Arms Company (Birmingham, England, UK; est. 1861) |
| BSA➣Bureautique System Associés (French: Office System Associates) |
| BSA➣Brandywine Soaring Association (New Garden Airport, Pennsylvania) |
| BSA➣Business Standards Advisor |
| BSA➣British Sporting Arms, Ltd. |
| BSA➣Bonsecours Services Auto (French car repair company) |
| BSA➣Business Stability Analysis |
| BSA➣Backbone Synthesis Algorithm |
| BSA➣Brilliant Systems Architecture (LViHD Systems ) |
| BSA➣Best Speaker Award |
| BSA➣Base Support Agreement |
| BSA➣Bulk Service Agreement (Sprint) |
| BSA➣Byte Serial Adapter |
| BSA➣Bureau of Seafood & Aquaculture (Tallahassee, Florida) |
| BSA➣Buffer Slot Availability |
| BSA➣Branch Stock Accounting |
| BSA➣Base Support Activity/Activities |
| BSA➣Bull Stuff Artist (polite form) |
| BSA➣Brief Stop for Ammo Lift |
| BSA➣Barrett Steele Architecture (Boulder, CO) |
| BSA➣Broadband Service Analyzer (HP) |
| BSA➣Breizh Soft Attack (French airsoft group) |
| BSA➣Bank Security Act of 1970 |