BAC explained

BAC or Bac may refer to:

Places

Bac, a village in Montenegro
Baile Átha Cliath, Irish language name for Dublin city.
Bîc River, aka Bâc River, a Moldovan river
Baç Bridge, bridge in Turkey
Barnes County Municipal Airport (ICAO airport code: KBAC; FAA airport code: BAC) Valley City, North Dakota, US; see List of airports in North Dakota

BAC-Credomatic, a Central American financial company owned by Grupo Aval Acciones y Valores
Bangabandhu Aeronautical Centre
Bank of America, which trades on the NYSE under the stock ticker BAC
Boeing Airplane Company, the former name of Boeing Commercial Airplanes
Breed Automotive Corporation, now known as Joyson Safety Systems
Briggs Automotive Company, a British car manufacturing company
Bristol Aeroplane Company (1920–1956), British aviation company
British Aircraft Company (1930–1936), British aviation company
British Aircraft Corporation (1959/1960–1977), British aviation company
International Union of Bricklayers and Allied Craftworkers, North American labor union
Brickfields Asia College, University College based in Malaysia

Baccalaureate (disambiguation), the name of a number of educational qualifications
Basic Airborne Course, of the United States Army Airborne School
Belmont Abbey College, Belmont, North Carolina
Bibliothèque et Archives Canada, the Library and Archives Canada, in Ottawa
Boston Architectural College, Boston, Massachusetts, USA
Botswana Accountancy College, Gaborone, Botswana
Broughton Anglican College, a school in Menangle, New South Wales, Australia
British Accreditation Council, a British educational accreditation agency

BACnet, Building Automation and Control
.BAC, a filetype used by the RSTS/E timesharing system for compiled BASIC-PLUS files
Bacterial Artificial Chromosome, a DNA construct used for transforming and cloning in bacteria
Basic Access Control, a protocol used to transmit data contained in a passport equipped with RFID chip
Benzalkonium chloride, a type of cationic surfactant
Biological-activated carbon, used in water treatment
Blood alcohol content (or blood alcohol concentration)
Bronchioloalveolar carcinoma, a type of lung cancer often diagnosed in non-smokers
HP Business Availability Center, software in HP Business Service Management