| Acronym | Definition |
|---|
| FCK➣Frederico Caldeira Knabben (developer of FCKeditor) |
| FCK➣Fussball Club Kaiserslautern |
| FCK➣Football Club Copenhagen (Copenhagen, Denmark soccer club) |
| FCK➣Football Club Copenhagen (Danish Football Club) |
| FCK➣Fashion Community Kitterick |
| FCK➣Field Change Kit |
| FCK➣Fos Canoë Kayak (French kayaking and canoeing club) |