| Acronym | Definition |
|---|
| BOS➣Boston Red Sox (baseball team) |
| BOS➣Boston, MA, USA - Logan International Airport (Airport Code) |
| BOS➣Board of Supervisors (municipal government body; various locations) |
| BOS➣Bank of Sharjah (United Arab Emirates) |
| BOS➣Board Of Studies |
| BOS➣Book of Shadows |
| BOS➣Bantuan Operasional Sekolah (Indonesian: School Operating Assistance) |
| BOS➣Branch of Service |
| BOS➣Bill of Sale |
| BOS➣Business of Science |
| BOS➣Bottom of Steel (manufacturing) |
| BOS➣Bank of Scotland |
| BOS➣Bank of Singapore |
| BOS➣Borneo Orangutan Survival (Foundation; formerly Balikpapan Orangutan Society) |
| BOS➣Blue Ocean Strategy (book) |
| BOS➣Business Operating System |
| BOS➣Brotherhood of Steel |
| BOS➣Burnout Syndrome (behavioral health) |
| BOS➣Bank of Slovenia |
| BOS➣Business of Software (conference) |
| BOS➣Behörden und Organisationen mit Sicherheitsaufgaben (German: Public Safety Authorities and Organizations) |
| BOS➣Business Outsourcing Solutions (various companies) |
| BOS➣Best of Show |
| BOS➣Business Outlook Survey (various organizations) |
| BOS➣Balance of System |
| BOS➣Boulder Open Space (Colorado) |
| BOS➣Best Opposite Sex (animal competition award) |
| BOS➣Balance of State |
| BOS➣Beginning of Stream |
| BOS➣Business Operations Support |
| BOS➣Batch Operating System |
| BOS➣Block Operating System |
| BOS➣Business Object Superviseur |
| BOS➣Bronchiolitis Obliterans Syndrome (respiratory disease) |
| BOS➣Banking Ombudsman Scheme (India) |
| BOS➣Better Online Solutions (Israel) |
| BOS➣Barber of Seville (opera) |
| BOS➣Battlefield Operating Systems |
| BOS➣Base Operating System |
| BOS➣Base of Support (physical therapy) |
| BOS➣Base Operating Support |
| BOS➣Basic Operating System |
| BOS➣British Origami Society (UK) |
| BOS➣Back Office System |
| BOS➣Basic Oxygen Steelmaking |
| BOS➣Bank of Switzerland |
| BOS➣Backup proxy Server |
| BOS➣Breathing Oxygen System |
| BOS➣Base of Skull (anatomy) |
| BOS➣Balikpapan Orangutan Society |
| BOS➣Bilbao Orkestra Sinfonikoa (Spanish: Bilbao Symphony Orchestra; Bilbao, Spain) |
| BOS➣Binary Device Object Store |
| BOS➣Book of Style (American Association for Medical Transcription) |
| BOS➣Basic Overseer Server |
| BOS➣Books over Seas (Palos Verdes Peninsula High School; California) |
| BOS➣Broadband Operating System (Enron) |
| BOS➣Base Operation Support |
| BOS➣Bromsgrove Operatic Society (UK) |
| BOS➣Business Office Supervisor |
| BOS➣Boots of Speed (NetHack) |
| BOS➣Book of Occasional Services (Episcopal Church) |
| BOS➣Base Operations Services |
| BOS➣Buschke-Ollendorff Syndrome |
| BOS➣Business Optimization Server (computing) |
| BOS➣Bit Oriented Signaling (AT&T) |
| BOS➣Bright Object Sensor |
| BOS➣British Orthodontics Society |
| BOS➣Business Operations Support (Sprint) |
| BOS➣Billing Output Specification (Sprint) |
| BOS➣Business Object Summit |
| BOS➣Backup Operating System |
| BOS➣Brazil Offshore Services |
| BOS➣Brothers of Struggle (gang faction) |
| BOS➣Battalion Orderly Sergeant |
| BOS➣Boston Celtics Limited Partnership (stock symbol) |
| BOS➣Base of Salt |
| BOS➣Basic Organization Structure (Army) |
| BOS➣Ball of Steel |
| BOS➣Boyfriend Over Shoulder |
| BOS➣Behavior Observation System |
| BOS➣Brotherhood of Soldiers (gaming clan) |
| BOS➣Beacon Only Site (FAA radar) |
| BOS➣Barksdale AFB, Louisiana (designator) |
| BOS➣Boss over Shoulder |
| BOS➣Bell Operating System |
| BOS➣Branchiootic Syndrome |
| BOS➣Business Operating Standards |
| BOS➣Battlefield Operation Systems |
| BOS➣Budget Operating System (Army) |
| BOS➣Bombay Orthopedic Society |
| BOS➣Back-Off Sub (drilling industry) |
| BOS➣Basic Officer School |
| BOS➣Bootable Operating System |
| BOS➣Base Operating Supplies |
| BOS➣Budget Obligation System |
| BOS➣Balance of Sale |
| BOS➣Background Operating System |
| BOS➣Brother Over Shoulder |
| BOS➣Broadband on Screen (TV Remote Control) |
| BOS➣Bless Our Souls |
| BOS➣Binary Orthogonal Signal |
| BOS➣Bands Of Separation |