| Abbreviation | Definition |
|---|---|
| ROCK | Robert Orin Charles Kilroy |
| ROCK | Rollergirls Of Central Kentucky |
| ROCKET | Reaching out to Children Kindly Early Together |
| ROCKET | Resilient Open Caring Kind Equal and Togetherness |
| ROCKET | Running Over Clocks and Killing Exponential Time |
| ROCM | Radio On Chip for Mobile |
| ROCM | Radio opaque contrast media |
| ROCM | Radio Operators Certificate Marine |
| ROCM | Reaching Out Crisis Ministries |
| ROCM | Remote Online Condition Monitoring |
| ROCM | Remotely Operated Cleaning Machine |
| ROCM | Rhino orbital cerebral mucormycosis |
| ROCO | Reduced Order Constrained Optimization |
| ROCO | Register of Cultural Organisations |
| ROCP | Ragnarok Online Control Panel |
| ROCP | Rate of Change Percentage |
| ROCP | Regional Occupational Centers and Programs |
| ROCP | Regional Outreach Clinic Program |
| ROCP | Relative Overall Combat Proficiency |
| ROCP | Reserve Officer Commissioning Programs |