| Acronym | Definition |
|---|
| RTK | Real-Time Kinematic |
| RTK | Romance of the Three Kingdoms (novel/game) |
| RTK | Right To Know |
| RTK | Receptor Tyrosine Kinase |
| RTK | Report Tool Kit |
| RTK | Real Time Kit |
| RTK | Real Time Kernel |
| RTK | Run Time Kernel |
| RTK | Raiffeisen Tours Kooperation (German: Raiffeisen Tours Cooperation) |
| RTK | Round Table Knights |
| RTK | Radio Television of Kosovo (Albanian: Radio Televizioni i Kosoves) |
| RTK | Real-Time Kernel |
| RTK | Reclaim the Kop (fan club) |
| RTK | Radio Television of Kosova |
| RTK | Revenue Ton Kilometer (measurement) |
| RTK | Ready To Kill (gaming clan) |
| RTK | Rebuild the Kingdom |
| RTK | Record Test Kit |
| RTK | Rise to Kill (gaming clan, World of Warcraft) |