BSA

BSA may refer to:

Businesses and organizations

• Bearing Specialists Association
• Belarusian Socialist Assembly
• Bibliographical Society of America
• Birmingham Small Arms Company, UK manufacturer of firearms and vehicles
• Boston Society of Architects
• Botanical Society of America
• Boy Scouts of America
• British Social Attitudes Survey
• British Sandwich Association
• British Science Association
• British Sociological Association
• British Speleological Association
• British Stammering Association
• Broadcasting Service Association, Australian radio network
• B.S.A. Company, motorcycle manufacturer
• Business Services Association, of UK service providers
• Business Software Alliance

Sport

• Basketball South Africa

Government and laws

• Bank Secrecy Act
• Broadcasting Standards Authority

Schools

• Baltimore School for the Arts
• Birmingham School of Acting
• British School at Athens

Science and medicine

• Behavioral systems analysis
• Bis(trimethylsilyl)acetamide
• Body surface area
• Bovine serum albumin

Other uses

• Bosnian Serb Army, common English name for the Army of Republika Srpska, the former armed forces of the Republika Srpska
• Bachelor of Science in Agriculture, B.S.A.