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
Okay Airways (IATA airline code BK)

Bosnia and Herzegovina (obsolete NATO and FIPS 10-4 country code BK)
Criminal Code of Lithuania (Lietuvos Respublikos baudžiamasis kodeksas), in short
Federal Criminal Police Office (Austria) (Bundeskriminalamt), a federal police force

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

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
Brooklyn, a borough of New York City
Banjo-Kazooie, a series of video games