| Acronym | Definition |
|---|
| CCK | Cholecystokinin |
| CCK | Choa Chu Kang (Singapore) |
| CCK | Content Construction Kit (Drupal) |
| CCK | Complementary Code Keying (RF modulation) |
| CCK | Ciudad Cultural Konex (Spanish: Konex Cultural City, Argentina) |
| CCK | Complementary Code Keying |
| CCK | Content Construction Kit |
| CCK | Computer Connection Kit |
| CCK | Common Cipher Key |
| CCK | Cpu Cooling Kit |
| CCK | Communications Commission of Kenya |
| CCK | Christian Council of Korea (South Korea) |
| CCK | Client Customization Kit |
| CCK | Crown Cork & Seal Company, Inc (Philadelphia, PA) |
| CCK | Church Of Christ the King (Brighton, UK) |
| CCK | Cancer Center for Kids (Mineola, NY) |
| CCK | Cocos-Keeling Island (airport and country code) |
| CCK | Contracting Command Korea |
| CCK | Color Clock |
| CCK | Cyclo Club Kingersheim (French cycling club) |
| CCK | Centre de Calcul Khawarizmi (French: Khawarizmi Computing Center; Tunisia) |
| CCK | Conti Comfort Kit (tire air compressor) |
| CCK | Chair Command Kill |
| CCK | Cabinet de Conseil Karaj (French; law and tax consultancy; Lausanne, Switzerland) |