| Acronym | Definition |
|---|
| BSS | Broken Social Scene (band) |
| BSS | Basic Service Set |
| BSS | Business Support System |
| BSS | Base Station System |
| BSS | Base Station Subsystem |
| BSS | Behavioral and Social Sciences |
| BSS | Balanced Salt Solution (trademark of Alcon Laboratories, Inc.) |
| BSS | Block Started by Symbol |
| BSS | Blind Signal Separation |
| BSS | Boeing Satellite Systems, Inc. |
| BSS | Business Support Services |
| BSS | Bangladesh Sangbad Sangstha (News Agency, Bangladesh) |
| BSS | Broadcast Satellite Service |
| BSS | Blessed Sacrament School (Springfield, Illinois) |
| BSS | Bernard-Soulier Syndrome |
| BSS | Bishop Strachan School |
| BSS | Billing Support System (telcommunications; as separate from OSS) |
| BSS | Basic Social Services |
| BSS | Black Sheep Squadron |
| BSS | Broadband Switching System (Bellcore) |
| BSS | Brazilian Soccer Schools |
| BSS | Blue Suede Shoes (Elvis Presley song) |
| BSS | British Sleep Society |
| BSS | Basic Safety Standard |
| BSS | Block Storage Segment |
| BSS | Basic Synchronized Subset (ITU-T) |
| BSS | Botanical Society of Scotland |
| BSS | British Secret Service |
| BSS | Brave Saint Saturn (band) |
| BSS | Black Sea Synergy |
| BSS | Broad Street Studio (Providence, RI) |
| BSS | British Standards Society (London, UK) |
| BSS | Bharat Sevak Samaj (India) |
| BSS | Bachelor of Science in Surveying |
| BSS | Binary-Symmetric Source |
| BSS | Boeing Specification Support |
| BSS | Batman's Shameful Secret (Something Awful Forums) |
| BSS | Block Storage Start |
| BSS | Bendemeer Secondary School (Singapore) |
| BSS | Bartley Secondary School (Singapore) |
| BSS | Basic Subsystem |
| BSS | Bureau of State Services |
| BSS | Bureau of State Services (US) |
| BSS | Beatty Secondary School (Singapore) |
| BSS | Backup System Services |
| BSS | bed shear stress |
| BSS | Bayridge Secondary School (Ontario, Canada) |
| BSS | Brekeke SIP Server |
| BSS | Base Service Store |
| BSS | Belgium Security Service |
| BSS | Bowen Secondary School (Singapore) |
| BSS | Backscattering Spectroscopy (neuron energy resolution) |
| BSS | Base Station Substation |
| BSS | Backscatter Sounding |
| BSS | Basset Support Solutions |
| BSS | Backstage Supply (Kile Arts 2k, LLC) |
| BSS | Boundary Security System |
| BSS | Border Security Sector (Kuwait) |
| BSS | Bus Switching System (military aviation) |
| BSS | Blackstone Studios (Ireland) |
| BSS | Broadband Switching and Signaling (Sprint) |
| BSS | Beechmont State School (Gold Coast, Australia) |
| BSS | Bit Stream Signed |
| BSS | Battle Staff Supervisor |
| BSS | Bellcore Software Systems |
| BSS | Basic Stalling Speed |
| BSS | Broadbeach State School (Gold Coast, Australia) |
| BSS | Benowa State School (Gold Coast, Australia) |
| BSS | Barton Springs Segment (of the Edward Aquifer; Barton Springs, TX) |
| BSS | Beta Secondary System |
| BSS | Bline Speed Suppression |
| BSS | Bulk Storage Subsystem |
| BSS | Bulgarian Software Solutions |
| BSS | Brooke Siren Systems Audio Ltd (UK) |
| BSS | Blue Snow Studio (software development user group) |
| BSS | Bleached Softwood Sulphite (pulp & paper industry) |