| Abbreviation | Definition |
|---|---|
| RAGA | Republican Attorneys General Association |
| RAM | Republican Attack Machine |
| RAMP | Republicans Against Marijuana Prohibition |
| RAO | Raila Amolo Odinga |
| RAP | Radical Action for People |
| RAP | Revolucion Artistico Popular |
| RAP | Rhodesian Action Party |
| RARW | Rochester Area Republican Women |
| RASM | Raelian Association of Sexual Minorities |
| RAWA | Revolutionary Association Of Women Of Afghanistan |
| RC | Revolutionary Council |
| RCDA | Ring Christlich Demokratischer Akademiker (German: Ring of Christian Democratic Academics; est. 1951 |
| RCDM | Republican Centre for Deposition of Microorganisms |
| RCDM | Russian Christian Democratic Movement |
| RCLC | Republican Committee of Lancaster County |
| RCPI | Revolutionary Communist Party of India |
| RCPP | Research Center for Proxy Politics |
| RCRP | Robertson County Republican Party |
| RDA | Racial Discrimination Act |
| RDA | Republican Dads of America |