BSA may refer to:
Businesses and organizations
Basketball South Africa Bearing Specialists Association, an American trade association Belarusian Socialist Assembly Bibliographical Society of America Birmingham Small Arms Company, UK manufacturer of firearms and vehicles Black Sky Aerospace, an Australian company Black Socialists in America Boston Society of Architects Botanical Society of America Boy Scouts of America Scouts BSA, the flagship program British Sandwich & Food to Go Association British Science Association British Social Attitudes Survey British Sociological Association British Speleological Association British Stammering Association Broadcasting Service Association, the former name of the Australian radio network Macquarie Media Broadcasting Standards Authority, New Zealand BSA Company, motorcycle manufacturer BSA Manufacturing, a Malaysian manufacturer of aluminum alloy wheels BSA motorcycles, made by the Birmingham Small Arms Company Building Societies Association, British trade association Business Services Association, of UK service providers Software Alliance, a trade group established by Microsoft and formerly called Business Software Alliance
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 Broad-spectrum antiviral drug
Other uses Bank Secrecy Act, US Bilateral Security Agreement, US umbrella for military cooperation Bosnian Serb Army, the Army of Republika Srpska, the former armed forces of the Republika Srpska Bachelor of Science and Arts (BSA) Bachelor of Science in Accountancy (BSA) Bachelor of Science in Agriculture (B.S.A.) Bosaso Airport, an airport in Puntland (IATA airport code BSA) British Soap Awards, an awards ceremony in the UK BSA, a brand of bicycles produced by Tube Investments of India Business systems analyst Blue Dragon Series Awards, an annual award ceremony in South Korea Bharatiya Sakshya Act, 2023, Indian evidence act
See also