| RCR | Race Car Replicas 
| Others |
| RCR | Radio Caracas Radio
| Others |
| RCR | Raliul Carpati Retro
| Others |
| RCR | Really Can't Race
| Others |
| RCR | Rear Center Right
| Others |
| RCR | Recessed Carnage Roasters
| Others |
| RCR | Recordable Case Rate
| Others |
| RCR | Registered Commodity Representative
| Others |
| RCR | Regular Car Reviews
| Others |
| RCR | Relative Citation Ratio
| Others |
| RCR | Remote Command Request
| Others |
| RCR | Renal Clearance Rate
| Others |
| RCR | Renault Commercial Roumanie
| Others |
| RCR | Rental Credit Reporting
| Others |
| RCR | Repeat Contact Rate
| Others |
| RCR | Replica Catalog Redirection
| Others |
| RCR | Replication Competent Retrovirus
| Others |
| RCR | Replication-Competent Retrovirus
| Others |
| RCR | Resource Cost Reduction
| Others |
| RCR | Respiratory Control Ratio
| Others |
| RCR | Responsible Conduct for Research
| Others |
| RCR | Responsible Conduct in Research
| Others |
| RCR | Responsible Conduct of Research
| Others |
| RCR | Retransmission Counter
| Others |
| RCR | Retro Car Restore
| Others |
| RCR | Retro Computing Roundtable
| Others |
| RCR | Retrofit Configuration Record
| Others |
| RCR | Retromobil Club Romania
| Others |
| RCR | Return to Cost Ratio
| Others |
| RCR | Revere Construction and Roofing
| Others |
| RCR | Reverse Current Relay
| Others |
| RCR | Rewind Card Reader
| Others |
| RCR | Rheumatology Clinical Registry
| Others |
| RCR | Richard Childress Racing
| Others |
| RCR | Risk Control Review
| Others |
| RCR | River City Rally
| Others |
| RCR | River City Ransom
| Others |
| RCR | River City Regiment
| Others |
| RCR | Road Crash Rescue
| Others |
| RCR | Road cum Rail
| Others |
| RCR | Rock Creek Ranch
| Others |
| RCR | Rocket City Ramble
| Others |
| RCR | Rockfish Cherokee Rockfish
| Others |
| RCR | Rocking Chair Rangers
| Others |
| RCR | Rolling Circle Replication
| Others |
| RCR | Romanian Children's Relief
| Others |
| RCR | Room Cavity Ratio
| Others |
| RCR | Room Condition Report
| Others |
| RCR | Rose City Rollers
| Others |
| RCR | Ross Carp Ross
| Others |
| RCR | Rotate through Carry Right
| Others |
| RCR | Rotator Cuff Repair
| Others |
| RCR | Roues Canon Renove
| Others |
| RCR | Round Corner Radius
| Others |
| RCR | Royal Canadian Regiment
| Others |
| RCR | Royal City Rockers
| Others |
| RCR | Royal College of Radiologists
| Others |
| RCR | Royal Crown Revue
| Others |
| RCR | Royal Crystal Rock
| Others |
| RCR | Ruby Change Request
| Others |
| RCR | Ruder Club Rastatt
| Others |
| RCR | Rum City Rodders
| Others |
| RCR | Run Chicken Run
| Others |
| RCR | Runway Condition Reading
| Others |
| RCR | Runway Condition Report
| Others |
| RCR | Runway Conditions Reading
| Others |