NOK or Nok may refer to:
- Kiel Canal (Nord-Ostsee-Kanal)
- NOK, ISO 4217 currency code for the Norwegian krone
- NYSE stock ticker for Nokia Corporation, based in Finland
- Nok culture, the ancient civilization from Nigeria
- Nok, a village and archeological site in Nigeria
- Nok Hockey, the game
- Nok Kundi, town in Western Pakistan
- Nok Air, a low-cost airline from Thailand
- Nok, the stage name of Yollada Suanyot, a politician and entertainer from Thailand