CKI
| Acronym | Definition |
|---|---|
| CKI | Circle K International (collegiate services) |
| CKI | Crypt Key Instant |
| CKI | Cheung Kong Infrastructure Holdings Ltd (Hong Kong) |
| CKI | Calvin Klein Inc. (Phillips-Van Heusen Corporation) |
| CKI | Championship Karting International (racing) |
| CKI | Common Key Indicator |
| CKI | Canoe Kayak Information (France) |
| CKI | Cocos Keeling Islands Act of 1955 (Australia) |
| CKI | Camp Kungoso International (Mali) |
| CKI | Chair-Keyboard Interface |