BBK may refer to:

• BBK Russian Library-Bibliographical Classification (Bibliotechno-Bibliograficheskaya Klassifikatsiya), a Russian library classification system
• "B.B.K." (song), by the band Korn from their 1998 album Follow the Leader
• BBK DAV College for Women, Amritsar, Punjab, India
• BBK Electronics, a Chinese electronics producer
• Barclays Bank of Kenya, a commercial bank
• Bank of Bahrain and Kuwait, a commercial bank
• Bilbao Bizkaia Kutxa, a Basque-based Spanish bank
• Birkbeck, University of London
• Birkbeck Court, University of Strathclyde
• Blåsuts BK, a bandy club in Sweden
• Boy Better Know, a British grime crew and record label
• Breakbeat Kaos, a British record label
• Brønshøj BK, a Danish football club
• Kasane Airport, Botswana
• White Sea–Baltic Canal (Russian: Беломо́рско–Балти́йский кана́л, Byelomorsko–Baltiyskiy Kanal