CKU
| Acronym | Definition |
|---|---|
| CKU | Calvin Klein Underwear (clothing brand) |
| CKU | Creating Keepsakes University (scrapbooking conference) |
| CKU | Center for Kultursamarbejde (Danish: Center for Culture and Development) |
| CKU | China Kennel Union |
| CKU | Chiba Keizai University (Japan) |
| CKU | Central Kansas Uplift |