| RCRC | Radical Culture Research Collective 
| Others |
| RCRC | Rain City Rock Camp
| Others |
| RCRC | Rate Compatible Repetition Convolutional
| Others |
| RCRC | Reactor Catalysis Research Center
| Others |
| RCRC | Recovering Community Resource Committee
| Others |
| RCRC | Red Canyon Range Camp
| Others |
| RCRC | Red Cross Red Crescent
| Others |
| RCRC | Redlands Christian Reformed Church
| Others |
| RCRC | Redwood Caregiver Resource Center
| Others |
| RCRC | Redwood Coast Regional Center
| Others |
| RCRC | Reflective Composition for Rays Concentration
| Others |
| RCRC | Regional Cost Recovery Coordinator
| Others |
| RCRC | Regional Council of Rural Counties
| Others |
| RCRC | Registry of Corvette Race Cars
| Others |
| RCRC | Reinforced Concrete Research Council
| Others |
| RCRC | Relational Coordination Research Collaborative
| Others |
| RCRC | Religious Coalition for Reproductive Choice
| Others |
| RCRC | Research Consultants Review Committee
| Others |
| RCRC | Research Consultants' Review Committee
| Others |
| RCRC | Resource Center for Roma Communities
| Others |
| RCRC | Reston Community Reinvestment Corporation
| Others |
| RCRC | Richland County Recreation Commission
| Others |
| RCRC | Rio Colorado Reclamation Committee
| Others |
| RCRC | River City Residence Club
| Others |
| RCRC | River City Rock Crawlers
| Others |
| RCRC | River City Rowing Club
| Others |
| RCRC | Roanoke College Remote Computing
| Others |
| RCRC | Rochester Christian Reformed Church
| Others |
| RCRC | Rocket City Radio Controllers
| Others |
| RCRC | Rocket City Rock Crawlers
| Others |
| RCRC | Roscommon County Road Commission
| Others |
| RCRC | Rose City Rowing Club
| Others |
| RCRC | Rosenberg Corporate Research Center
| Others |
| RCRC | Rural Communities Resource Center
| Others |
| RCRC | Rural County Representatives of California
| Others |
| RCRC | Rutherford County Rescue Crew
| Others |