OEK
| Acronym | Definition |
|---|---|
| OEK | One Eyed King (fan fiction) |
| OEK | Olbiil Era Kelulau (Palauan legislative body) |
| OEK | Orchestra Ensemble Kanazawa (Japan) |
| OEK | Offenbach Edition Keck (sheet music book) |
| OEK | Oda Ekonomike e Kosovës (Albanian: Kosova Chamber of Commerce) |