| Abbreviation | Definition |
|---|---|
| RCRC | Richland County Recreation Commission |
| RCRC | Roscommon County Road Commission |
| RCT | Railroad Commission of Texas |
| RCT | Railroad Commission of Texas (prev. TRC) |
| RCTI | Recipient Created Tax Invoice |
| RCV | Ranked Choice Voting |
| RCW | Renville County West |
| RDLGA | Ruaral Development Loan and Grand Assistance |
| RDO | Revenue Divisional Officer |
| RDO | Rural Development Officer |
| RDS | Royal Dublin Society |
| RDZ | Rancho Del Zorro |
| REA | Rural Electrification Authority |
| REACH | Racial and Ethnic Approaches to Community Health |
| RECD | Rural Economies And Communities Directorate |
| RED | Rural Economic Development (program) (Ontario) |
| REET | Real Estate Excise Tax |
| REET | Regional Environmental Emergencies Team |
| REFA | Renewed Eligibility for Financial Aid (NY) |
| REMCAM | Regional Educational Media Center Association of Michigan |