| RMRC | Ragged Mountain Resource Center 
| Others |
| RMRC | Rahul Multidisciplinary Research Centre
| Others |
| RMRC | Rail Mounted Railway Crane
| Others |
| RMRC | Rajyoga Medication Research Center
| Others |
| RMRC | Rapidly Manufactured Robot Challenge
| Others |
| RMRC | Razi Metallurgical Research Center
| Others |
| RMRC | Reconstruction Meets Recognition Challenge
| Others |
| RMRC | Recreational Marine Research Center
| Others |
| RMRC | Recycled Materials Resource Center
| Others |
| RMRC | Regenerative Medicine Research Committee
| Others |
| RMRC | Regional Medical Research Center
| Others |
| RMRC | Regional Medical Research Centre
| Others |
| RMRC | Regional Medical Research Council
| Others |
| RMRC | Religious Movement Resource Center
| Others |
| RMRC | Resolved Motion Rate Control
| Others |
| RMRC | Responsible Mining Resilient Communities
| Others |
| RMRC | Retail Market Review Committee
| Others |
| RMRC | Risk Management Reference Center
| Others |
| RMRC | Risk Management Research Center
| Others |
| RMRC | Risk Management Research Council
| Others |
| RMRC | Riyadh Medical Rehabilitation Centre
| Others |
| RMRC | Rocky Mountain Recreation Company
| Others |
| RMRC | Rocky Mountain Regional CASU
| Others |
| RMRC | Rocky Mountain Relocation Council
| Others |
| RMRC | Rocky Mountain Research Center
| Others |
| RMRC | Rocky Mountain Road Club
| Others |
| RMRC | Rodent Mouse Resource Center
| Others |
| RMRC | Roland Michener Recreation Centre
| Others |
| RMRC | Rotary Machinery Research Centre
| Others |
| RMRC | Roy Morgan Research Centre
| Others |
| RMRC | Ruby Mountain Resource Center
| Others |