| Acronym | Definition |
|---|
| RCR | Richard Childress Racing |
| RCR | responsible conduct of research |
| RCR | Réanimation Cardiorespiratoire (French: Cardiorespiratory Resuscitation) |
| RCR | Royal College of Radiologists (UK; also seen as RCOR) |
| RCR | Royal Canadian Regiment |
| RCR | Rockcliff Resources Inc (Sudbury, ON, Canada) |
| RCR | Room Cavity Ratio (lighting calculation) |
| RCR | River City Ransom |
| RCR | Royal Crown Revue (band) |
| RCR | Respiratory Control Ratio |
| RCR | Rotator Cuff Repair |
| RCR | Room Condition Report |
| RCR | Replication Competent Retrovirus |
| RCR | Rideau Carleton Raceway (Canada) |
| RCR | Radio Campus Rennes (French college radio station; University of Rennes) |
| RCR | Russian Chemical Reviews (journal; est. 1960) |
| RCR | River City Rebels (band) |
| RCR | Rotate Carry Right |
| RCR | Runway Condition Reading |
| RCR | Royal Crystal Rock (All the World, crystalware) |
| RCR | Road Crash Rescue |
| RCR | Réseau de Consommateurs Responsables (French: Responsible Consumers Network) |
| RCR | Régiment de Circulation Routière (French Army regiment) |
| RCR | Relative Cost of Reuse |
| RCR | Runway Condition Report |
| RCR | Rensselaer Computer Repair |
| RCR | Rock Creek Ranch (various locations) |
| RCR | Ruby Change Request (Ruby programming language) |
| RCR | Review Comment Record |
| RCR | Required Carrier Return |
| RCR | Rassemblement des Citoyens pour la République (French: Citizens Rally for the Republic; political organization) |
| RCR | Research Concept Review |
| RCR | Residual Connectedness Reliability |
| RCR | Requirements Clarification Review |
| RCR | Requirement Change Request |
| RCR | Repair Cycle Requirement |
| RCR | Risk Coverage Ratio (finance) |
| RCR | Rugby Club Revélois (French rugby club) |
| RCR | Rate of Correct Recognition |
| RCR | Rankine Cycle Ratio |
| RCR | Rocket City Ramble |
| RCR | Radio Campus Rouen (French college radio station; University of Rouen) |
| RCR | Robertson Chart of Reliability (hang gliding) |
| RCR | Rothamsted Collection of Rhizobium (Harpenden, UK) |
| RCR | Remote Command Request |
| RCR | River City Rangers Soccer Club (Austin, Texas) |
| RCR | Race Car Replicas (various locations) |
| RCR | Radio Communications Report |
| RCR | Recordable Case Rate |
| RCR | Remote Computer Reader |
| RCR | ROV Component Replacement |