CCK

CCK may refer to:

Computing

 * Complementary code keying, a modulation technique used in IEEE 802.11b
 * Composite candidate key, a candidate key comprising more than one field
 * Client Customization Kit, a set of tools to aid in distributing customized Mozilla clients, see list of Mozilla products

Government agencies

 * Communications Commission of Kenya
 * Constitutional Court of Korea, a constitutional court in South Korea

Medicine

 * Cholecystokinin, a digestive hormone

People

 * Chiang Ching-kuo, Taiwanese president
 * Chris Kanyon, American wrestler

Places

 * Ching Chuan Kang Air Base, Taiwan
 * Choa Chu Kang, Singapore
 * Cocos Islands (by ISO 3166-1 country code)

Transport

 * Choa Chu Kang MRT/LRT station, Singapore (by station abbreviation)
 * Cocos (Keeling) Islands Airport (by IATA code)

Other

 * Chama Cha Kijamii, a political party in Tanzania
 * Candy Coated Killahz a Canadian hip-hop/electronic music group.
 * Néstor Kirchner Cultural Centre, "Centro Cultural Kirchner" in Spanish language, institution in Argentina
 * CCK, the English professional wrestling tag team famously consisting of Chris Brookes and Kid Lykos.