English abbreviations from rcop to rcrc
- RCOP (Research Center for Optical Physics)
- RCOT (Reserve Commissioned Officer Training)
- RCP (Royal College of Pathologists)
- RCPA (Royal College of Pathologists of Australasia)
- RCPAC (Reserve Components Personnel and Administrative Center)
- RCPC (Resource Center for Parents and Children)
- RCPOR (Roper Center for Public Opinion Research, University of Connecticut)
- RCQ (Reconquista Airport)
- RCR (Reverse current relay)
- RCRA (Resource Conservation and Recovery Act ("reck-ra" or "rick-ra"))
- RCRB (Revised Core RuleBook)
- RCRC (Redwood Coast Regional Center)