| Acronym | Definition |
|---|
| ROK | Republic Of Korea |
| ROK | Rockwell Automation (Milwaukee, WI) |
| ROK | Rockhampton (Queensland, Australia) |
| ROK | Rise of Kunark (gaming; EverQuest) |
| ROK | Republic of Kazakhstan |
| ROK | Reseller Option Kit (software) |
| ROK | Russisch-Orthodoxe-Kirche (German: Russian Orthodox Church) |
| ROK | Riders of Kawasaki (motorcycle club) |
| ROK | Return on Knowledge (people investment) |
| ROK | Ruins Of Kunark |
| ROK | Realms of Kaos (game) |
| ROK | Roben Og Knud (Danish band) |
| ROK | Republic of Kharras (Star Wars Galaxies organization) |
| ROK | Regression Optimization for Kinetics |
| ROK | Rhyme.Over.Krime |