RMC
- Carpathian Romani
- Metropolitan Region of Caracas
- RMC (France)
- RMC Group
- Rack mount chassis
- Radiative muon capture
- Radio Monte Carlo
- Rail Management Corporation
- Rainbow Motorcycle Club
- Raipur Municipal Corporation
- Rajamahendravaram Municipal Corporation
- Rajkot Municipal Corporation
- Rajshahi Medical College
- Ranchi Municipal Corporation
- Randolph–Macon College
- Rangpur Medical College
- Rauma Marine Constructions
- Rawalpindi Medical College
- Ready-mix concrete
- Realtek
- Rebels Motorcycle Club
- Rebels Motorcycle Club (Canada)
- Reception and Medical Center
- Regina Mundi Catholic College
- Renal medullary carcinoma
- Reverse Monte Carlo
- Rewa Municipal Corporation
- Rhythmic Music Conservatory
- Riley RMC
- Rizal Medical Center
- Robert Morris College
- Rocky Mountain College
- Rocky Mountain College (Calgary)
- Rocky Mountain Conference
- Rocky Mountain Construction
- Rotax Max Challenge
- Rotherham Central station
- Royal Marine Commando
- Royal Marines Cadets
- Royal Medical Corps (Malaysia)
- Royal Military College (Malaysia)
- Royal Military College Saint-Jean
- Royal Military College of Canada
- Royal Military College, Duntroon
- Royal Military College, Sandhurst
- Russell Midcap Index