BNC may refer to:
- Ballet Nouveau Colorado, a contemporary ballet company based in Broomfield, Colorado
- Bangalore Cantonment, a railway station in Bangalore, India
- Bank of North Carolina, a bank based in High Point, North Carolina, USA
- Banque Nationale du Canada or National Bank of Canada
- Beni Airport (IATA airport code), in the Democratic Republic of the Congo
- Berkeley Nucleonics Corporation, a manufacturer of precision electronic instrumentation with headquarters in San Rafael, California
- Beth Nielsen Chapman, singer-songwriter and composer
- Bethany Nazarene College, now called Southern Nazarene University
- Bindura Nickel Corporation, a Zimbabwe mining company, a subsidiary of Mwana Africa plc
- Biological, Nuclear, Chemical, types of weapons of mass destruction
- Banco Nacional de Crédito or Banco Nacional de Crédito, based in Caracas, Venezuela
- BNC connector (Bayonet Neill-Concelman), a type of RF coaxial cable jack
- BNC (software), (abbreviation of bouncer) an IRC program functioning as a proxy between an IRC client and a type of computer network proxy redirector
- Bollack, Netter, et Cie, a French automobile company producing lightweight cars from 1922 until 1935
- Brasenose College, Oxford, a constituent college of the University of Oxford
- British National Corpus, a corpus of written and spoken English