| Acronym | Definition |
|---|
| BOSS | Blow Off Some Steam |
| BOSS | Building Opportunities for Self-Sufficiency |
| BOSS | Boulder Outdoor Survival School |
| BOSS | Bharat Operating System Solutions |
| BOSS | Bureau of State Security |
| BOSS | Ballistic Optimizing Shooting System |
| BOSS | Bosnian Party (Bosnia and Herzegovina) |
| BOSS | Body Orifice Security Scanner (correctional facilities) |
| BOSS | Back Office Support Systems |
| BOSS | Business Organizer Scheduling System (Casio) |
| BOSS | Base Operating Support Services |
| BOSS | Billing and Order Support System |
| BOSS | Bachelor of Social Service |
| BOSS | Binary Object Storage System |
| BOSS | Buy Our Spares Smart |
| BOSS | Best of Open Source Security |
| BOSS | Brother of Sexy Sister |
| BOSS | Burial Operations Support System (VA national cemeteries) |
| BOSS | Bealls Online Service System |
| BOSS | Business Operations Support Systems |
| BOSS | Binary Object Streaming System |
| BOSS | Ballistic Offensive Suppression System |
| BOSS | Base Operating Supply System |
| BOSS | Basic Operating System Software |
| BOSS | Better Opportunities for Single/Unaccompanied Soldiers |
| BOSS | Breach of Suspended Sentence (legal) |
| BOSS | Business Opportunities Support Services |
| BOSS | B-52 Overarching Sustainment and Support |
| BOSS | British Orthopaedic Spine Society |
| BOSS | Bistable Optically-controlled Semiconductor Switch |
| BOSS | Badge Office Security System |
| BOSS | Brotherhood of Selected Sith (gaming clan) |
| BOSS | Business Oriented Software System |
| BOSS | Bombardier Optimized Suspension System (Ski-Doo snowmobiles) |
| BOSS | British Office Stationery Supplies Federation |
| BOSS | Brotherhood of Superstars (Julius West Middle Scholol) |
| BOSS | Boat Outfit and System Support |
| BOSS | Board Of Secondary Schooling |
| BOSS | Boat Outfit & Supply Support |
| BOSS | Battlefield Operations System Simulation |
| BOSS | Bronx Organization of Singer/Songwriters |
| BOSS | Bus Owner Supervisor Selector (Ieee 1394b) (IEEE 1394b) |
| BOSS | Old Name for South African State Security Bureau |
| BOSS | Bur Oak Secondary School (Canada) |
| BOSS | Board of Social Services (New Jersey) |
| BOSS | BMW (Bayerische Motoren Werke) Owners Society of Saferiders (car club) |
| BOSS | Bureau of Special Services |