COK or Cok may refer to:
Arts and entertainment
- Champions of Krynn, a role-playing video game
- "The Call of Ktulu", a song by thrash metal band Metallica
- Code Orange Kids, former name of an American rock band that formed in 2008
- A Clash of Kings, the second novel in George R. R. Martin's series A Song of Ice and Fire
Other uses
- Cook Islands, a self-governing island country in the South Pacific Ocean
- Cok (surname), a surname
- Cok Simbara [id] (born 1953), an Indonesian actor
- Cochin International Airport (IATA code), India
- Animal Outlook (formerly Compassion Over Killing; COK), an animal advocacy group
- Center for offentlig kompetenceudvikling, the Danish municipalities' and regions' nationwide organization for training and development
- China-occupied Kashmir, an Indian term for the Chinese-controlled part of Kashmir
- City of Katy in Texas
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