OKK (disambiguation)
OKK or Okk may refer to:
- Oulunkylän Kiekko-Kerho, a Finnish ice hockey team
 - Kokomo Municipal Airport, the IATA code OKK
 - Özel Kuvvetler Komutanlığı (ÖKK), a division of the Turkish Armed Forces
 - Arko Okk, an Estonian film operator, director and producer