BKK is the IATA airport code for Suvarnabhumi Airport, Thailand.
It can also refer to:
- The previous airport code of Don Mueang International Airport, Thailand (now DMK)
- The British Karate Kyokushinkai
- Bergenshalvøens Kommunale Kraftselskap, a Norwegian power company
- The city of Bangkok, Thailand
- The Backus-Kehoe-Kydland puzzle, a puzzle in economics
- Betriebskrankenkasse, a type of insurance for healthcare in Germany
- Budapesti Közlekedési Központ (Centre for Budapest Transport), the unified transport operator of Budapest, Hungary
- The Bernstein–Khovanskii–Kushnirenko theorem, in algebraic geometry
- Bukkake