| Abbreviation | Definition |
|---|---|
| RC | Revolutionary Control |
| RC | Room Compensation |
| RCA | Regional Cooperative Agreement |
| RCB | Research Contracts Branch |
| RCC | Radio Common Carrier |
| RCC | Regional Computer Center |
| RCD | Regional Cooperative Development |
| RCD | Required Coverage Degree |
| RCDP | Research Career Development Programs |
| RCG | Restorations, Commissions, and Gifts |
| RCHSA | Radiation Control for Health and Safty Act |
| RCMP | Revenue Collecting Motorized Patrol |
| RCO | Regional Consular Office |
| RCO | Regional Currency Office |
| RCO | Research Compliance Officer |
| RCO | Reservations, Commitments, and Obligations |
| RCP | Radon Contractor Proficiency |
| RCPGP | Regional Catastrophic Preparedness Grant Program |
| RCQ | Regulatory Affairs, Clinical Research, and Quality Assurance |
| RCRA | Resource Conservation and Recovery Act (1976, 1984) |