| Acronym | Definition |
|---|
| OTK➣Over The Knee |
| OTK➣Oikeustieteen Kandidaatti (Finnish: Master of Law) |
| OTK➣One Turn Kill (card gaming) |
| OTK➣On That Kush (band) |
| OTK➣Open Tool Kit (graphical user interface programming library) |
| OTK➣One Time Key |
| OTK➣On The Kop (Liverpool FC website) |
| OTK➣Out To Kill (gaming) |
| OTK➣One-Tailed Kyuubi |
| OTK➣Off the Keyboard |
| OTK➣Operate to Know (US Office of Naval Research) |
| OTK➣Osaka Toshi Kaihatsu (Japanese: Osaka Prefectural Urban Development) |
| OTK➣Original Tony Kart |
| OTK➣Office Tool Kit |
| OTK➣Overtake the King (band) |
| OTK➣Owner of the Katana (Halo Seventh Column group) |