BX, Bx, and similar may refer to:

Businesses and organizations

  • Barnard's Express, a transportation company in British Columbia, Canada
  • Base exchange, a store operated by the Army, Naval, and Air Force Exchange Service
  • Berne eXchange, the stock exchange of Bern, Switzerland
  • Blackstone Group (NYSE stock ticker symbol BX)
  • BookCrossing, a program for sharing second-hand books
  • Air Busan (established 2007) (IATA airline code BX)
  • Coast Air (1998–2008) (IATA airline code BX)
  • Brand Experience, which encompasses all the interactions and feelings a customer has with a brand, from initial awareness to post-purchase engagement

Vehicles

  • BX (sternwheeler), a boat owned by Barnard's Express
  • Citroën BX, an automobile
  • Bionix AFV, an infantry fighting vehicle produced in Singapore

Science and technology

Biology and medicine

  • Biopsy, the extraction of cells or tissues to determine the presence or extent of a disease
  • Bithorax (part of bithorax complex), a genetic mutation in flies

Computing

  • BX register, a general-purpose 16-bit X86 register
  • BitchX, an IRC client
  • Intel 440BX, chipset for Pentium II/Pentium III/III and Celeron processors
  • Bidirectional transformations

Other uses in science and technology

  • BX cable, a genericized trademark term for a type of AC armoured electrical cable
  • BeppoSAX catalog, also called SAX and 1SAX
  • Brix (°Bx), measurement unit of the dissolved sugar-to-water mass ratio of a liquid

Places

  • Belgium, World Meteorological Organization country code
  • Brussels (French: Bruxelles), the capital of the nation
  • BeNeLux, a politico-economic union of Belgium, the Netherlands, and Luxembourg
  • Berryessa, San Jose, California
  • Bordeaux, France
  • The Bronx, one of the five boroughs of The City of New York, New York, U.S. (also for many institutions, usually in the borough, and named for it)
  • Brunei (LOC MARC code and obsolete FIPS Pub 10-4 and NATO country codes)

Other uses

  • BX convoys of World War II ships
  • Battlecross, a rock band from Michigan