| R&CC | Recorder and Communication Control 
| Others |
| RCC | Rabbinical Council of California
| Others |
| RCC | Race Active Chassis Control
| Others |
| RCC | Race Car Club
| Others |
| RCC | Race Car Control
| Others |
| RCC | Rachel Carson Council
| Others |
| RCC | Racial Character Class
| Others |
| RCC | Radar Cruise Control
| Others |
| RCC | Radio and Car Control
| Others |
| RCC | Radio Common Carrier
| Others |
| RCC | Radio Control Car
| Others |
| RCC | Radio Controlled Clock
| Others |
| RCC | Rag Chewers Club
| Others |
| RCC | Rally Competitors Club
| Others |
| RCC | Rally Cross Country
| Others |
| RCC | Ram Club Cab
| Others |
| RCC | Randolph Community College
| Others |
| RCC | Range Commanders Council
| Others |
| RCC | Range Control Center
| Others |
| RCC | Rape Crisis Center
| Others |
| RCC | Rape Crisis Centre
| Others |
| RCC | Rapha Cycling Club
| Others |
| RCC | Rappahannock Community College
| Others |
| RCC | Rare Component Cars
| Others |
| RCC | Rathke cleft cyst
| Others |
| RCC | Ratio of Costs to Charges
| Others |
| RCC | Razorback Corvette Club
| Others |
| RCC | Real Carrying Capacity
| Others |
| RCC | Real Colegio Complutense
| Others |
| RCC | Rear Catalytic Converter
| Others |
| RCC | Rear Climate Control
| Others |
| RCC | Rebels Car Club
| Others |
| RCC | Rec.Collecting.Coins
| Others |
| RCC | Recognised Current Competencies
| Others |
| RCC | Recognition of Current Competence
| Others |
| RCC | Recognition of Current Competencies
| Others |
| RCC | Recognition of Current Competency
| Others |
| RCC | Red Cell Cast
| Others |
| RCC | Red Cell Concentrate
| Others |
| RCC | Red Claw Crab
| Others |
| RCC | Redneck Country Club
| Others |
| RCC | Regenerative Charging Current
| Others |
| RCC | Region Connection Calculus
| Others |
| RCC | Regional Cancer Centre
| Others |
| RCC | Regional Carrying Capacity
| Others |
| RCC | Regional Climate Center
| Others |
| RCC | Regional Climate Centers
| Others |
| RCC | Regional Collaboration Centre
| Others |
| RCC | Regional Computer Center
| Others |
| RCC | Regional Computer Centre
| Others |
| RCC | Regional Contracting Center
| Others |
| RCC | Regional Control Center
| Others |
| RCC | Regional Control Centre
| Others |
| RCC | Regional Cooperation Council
| Others |
| RCC | Regional Coordinating Council
| Others |
| RCC | Regional Court Center
| Others |
| RCC | Registered Clinical Counsellor
| Others |
| RCC | Regulation Communication Center
| Others |
| RCC | Regulatory Cooperation Council
| Others |
| RCC | Reinforced Carbon-Carbon
| Others |
| RCC | Reinforced Cement Concrete
| Others |
| RCC | Reinforced Concrete Cement
| Others |
| RCC | Religion Communicators Council
| Others |
| RCC | Relocation Coordination Center
| Others |
| RCC | Remote Centre Compliance
| Others |
| RCC | Remote Climate Control
| Others |
| RCC | Remote Cluster Controller
| Others |
| RCC | Remote Collaboration Center
| Others |
| RCC | Remote Controlled Car
| Others |
| RCC | Remotely Created Check
| Others |
| RCC | Remotely Created Checks
| Others |
| RCC | Renaissance City Choir
| Others |
| RCC | Renal Cell Cancer
| Others |
| RCC | Renal Cell Carcinoma
| Others |
| RCC | Renault Can Clip
| Others |
| RCC | Renault Car Club
| Others |
| RCC | Renault Classic Club
| Others |
| RCC | Renault Clio Cup
| Others |
| RCC | Renegade Corvette Club
| Others |
| RCC | Rental Car Center
| Others |
| RCC | Replacement Cost Coverage
| Others |
| RCC | Request Change of Component
| Others |
| RCC | Requirements Change Control
| Others |
| RCC | Rerum Cognoscere Causas
| Others |
| RCC | Rescue Coordination Center
| Others |
| RCC | Rescue Coordination Centers
| Others |
| RCC | Rescue Coordination Centre (Canada)
| Others |
| RCC | Research Computing and Cyberinfrastructure
| Others |
| RCC | Research Computing Center
| Others |
| RCC | Research Computing Centre
| Others |
| RCC | Research Coordinating Committee
| Others |
| RCC | Reservation Control Center
| Others |
| RCC | Reserve Command Channel
| Others |
| RCC | Reset and Clock Control
| Others |
| RCC | Reset and Control Circuitry
| Others |
| RCC | Resident Computer Consultant
| Others |
| RCC | Residential Care Center
| Others |
| RCC | Residential Computer Consultant
| Others |
| RCC | Residential Construction Certified
| Others |
| RCC | Residual Current Compensation
| Others |
| RCC | Resolution and Collection Corporation
| Others |
| RCC | Resource Control Consultants
| Others |
| RCC | Reston Community Center
| Others |
| RCC | Restorers Car Club
| Others |
| RCC | Resumable Canon Character
| Others |
| RCC | Retail Council of Canada
| Others |
| RCC | Retractable Cargo Cover
| Others |
| RCC | Retro Car Club
| Others |
| RCC | Retro Classics Cologne
| Others |
| RCC | Retromobile Club Cognacais
| Others |
| RCC | Retromobile Club de Courtry
| Others |
| RCC | Retromobiles Club du Castellet
| Others |
| RCC | Revenue Class Code
| Others |
| RCC | Reverse Corner Cutting
| Others |
| RCC | Richard Cole Communications
| Others |
| RCC | Richard Creveling Consultants
| Others |
| RCC | Richmond Community College
| Others |
| RCC | Right Common Carotid
| Others |
| RCC | Ringing Choke Converter
| Others |
| RCC | River City Corvettes
| Others |
| RCC | River Continuum Concept
| Others |
| RCC | Riverside City College
| Others |
| RCC | Riverside Community College
| Others |
| RCC | Road Construction Company
| Others |
| RCC | Roadrunner Car Club
| Others |
| RCC | Roads Contractor Company
| Others |
| RCC | Roaming Cavalry Company
| Others |
| RCC | Robeson Community College
| Others |
| RCC | Robinson Career Connection
| Others |
| RCC | Rochester Corvette Club
| Others |
| RCC | Rockingham Community College
| Others |
| RCC | Rockland Community College
| Others |
| RCC | Rockville Country Club
| Others |
| RCC | Rogers Communication Center
| Others |
| RCC | Rogue Community College
| Others |
| RCC | Roller Compacted Concrete
| Others |
| RCC | Rollercoaster Commotion
| Others |
| RCC | Roman Catholic Church
| Others |
| RCC | Root Certificate Check
| Others |
| RCC | Rosalie Citroen Club
| Others |
| RCC | Roscoff Culture Collection
| Others |
| RCC | Rose City Corvettes
| Others |
| RCC | Rosh Chodesh Club
| Others |
| RCC | Rotary Community Corps
| Others |
| RCC | Rotary Cutoff Control
| Others |
| RCC | Rotor Current Control
| Others |
| RCC | Rotterdam Coronary Calcification Study
| Others |
| RCC | Rough Car Club
| Others |
| RCC | Rough Combustion Cutoff
| Others |
| RCC | Routing Control Centre
| Others |
| RCC | Roxbury Community College
| Others |
| RCC | Royal Cars Company
| Others |
| RCC | Royal Crown Cola
| Others |
| RCC | RTEMS Cross Compiler
| Others |
| RCC | Rural Community Council
| Others |
| RCC | Russian Car Crashes Compilation
| Others |
| RCC | Rutgers Cantonese Club
| Others |
| RCC | The Rock Community Church
| Others |