BK

BK or Bk may refer to:

Businesses and organizations

 * Burger King, a chain of fast-food restaurants
 * The Bank of New York Mellon, the New York Stock Exchange symbol for The Bank of New York Mellon Corporation (NYSE: BK)
 * Brahma Kumaris, a religious movement
 * British Knights, a manufacturer of athletic shoes
 * Federal Criminal Police Office (Austria) (Bundeskriminalamt), a federal police force
 * Okay Airways (IATA airline code BK)

Science and technology

 * BK channel, an ion channel characterized by its large conductance of potassium ions through cell membranes
 * BK virus, a member of the polyomavirus family
 * Berkelium (Bk), a chemical element
 * Elektronika BK, a series of 16-bit PDP-11-compatible Soviet home computers developed by NPO Scientific Center
 * Bordkanone, an aircraft cannon
 * Brother's Keeper (software), a genealogy software program
 * TU Delft Faculty of Architecture (Dutch: Faculteit Bouwkunde)
 * Bradykinin, a peptide targeted by ACE inhibitors

Other uses

 * B.K. Cannon, (born 1990), actress from Hawaii, USA
 * BK (musician), (born 1973), the working name of the English hard house producer Ben Keen
 * BK Racing, a former NASCAR team
 * Bankruptcy, a legal status of a person or other entity that cannot repay debts
 * Berkeley (disambiguation), in short
 * Bosnia and Herzegovina (obsolete NATO and FIPS 10-4 country code BK)
 * Brooklyn, a borough of New York City
 * Banjo-Kazooie, a series of video games