| Acronym | Definition |
|---|
| BSD | Berkeley Software Distribution (various UNIX flavors) |
| BSD | Bahamian Dollar |
| BSD | Blue Screen of Death (Windows NT Unrecoverable Error) |
| BSD | Berkeley Standard Distribution (Unix) |
| BSD | Bumi Serpong Damai (Jakarta, Indonesia) |
| BSD | Battery Status Display |
| BSD | Building Systems Design, Inc |
| BSD | Blind Spot Detection (vehicular safety) |
| BSD | Birch and Swinnerton-Dyer conjecture (mathematics) |
| BSD | Belgian Shepherd Dog |
| BSD | Business and Sustainable Development |
| BSD | Bead Seat Diameter (tires/rims) |
| BSD | Back Seat Driver |
| BSD | Business Systems Design |
| BSD | Bermuda Shorts Day (University of Calgary) |
| BSD | Black Spiral Dancer (gaming term from White-Wolf) |
| BSD | Bitstream Syntax Description (computer programming) |
| BSD | Bark Spectral Distortion |
| BSD | Bachelor of Science in Design |
| BSD | Bangladesher Samajtantrik Dal |
| BSD | Ballistic Systems Division (Norton Air Force Base, CA) |
| BSD | Black Spawn Den (Asheron's Call Game) |
| BSD | Battle Staff Directive (US Air Force) |
| BSD | Business Support Department |
| BSD | Boundary-Scan Diagnostics (JTAG Technologies) |
| BSD | Bargain and Sale Deed (real estate) |
| BSD | Breach of Statutory Duty |
| BSD | Battlefield Situation Display |
| BSD | Bibliothèque Suisse de Dendrologie (French: Swiss Dendrology Library; Switzerland) |
| BSD | Black Skull Dragon |
| BSD | Battlespace Dominance |
| BSD | Blood Service Directive (American Red Cross Biomedical Services) |
| BSD | Battle Staff Director |
| BSD | Baseline System Description |
| BSD | Base Supply Depot (Pakistan Army) |
| BSD | Building Shut Down (gas industry) |
| BSD | The British Society for Dermatopathology |
| BSD | Blind, Stupid and Desperate |
| BSD | Bidirectional Sequential Decoding |
| BSD | Biomass Syngas Development, Inc (Grand Central, NY) |
| BSD | Battlefield Simulation Display |
| BSD | Business Strategy Dialogue |
| BSD | With Heaven's Help (Aramaic - B'Siyata D'sh'maya) |
| BSD | Business Solution District |
| BSD | BASOPS Systems Division (Resource Management Directorate, Deputy Chief of Staff for Base Operations Support, Fort Monroe, VA (TRADOC) |
| BSD | Bed-Side Drainage (medical; gravity drainage of fluids to bag) |
| BSD | Battlefield Synchronization Demonstration |
| BSD | Battle Simulation Division |
| BSD | Bill of Sale Deed |
| BSD | Ballistic-Electron Surface-Emitter Display |
| BSD | Blueshout Designs |
| BSD | Better Software Development (various locations) |
| BSD | Building Safety Division (various locations) |
| BSD | Black Shoe Diaries (blog; Penn State University) |
| BSD | Boise School District (Boise, ID) |
| BSD | Blue State Digital (various locations) |
| BSD | Building Services Division (various locations) |
| BSD | Bremerton School District (Bremerton, WA) |
| BSD | Bellingham School District (Bellingham, WA) |
| BSD | Business Services Development |
| BSD | Biomolecular Structure and Dynamics |
| BSD | Basic Science Department (various universities) |