| Abbreviation | Definition |
|---|---|
| RASAN | Rape and Sexual Assault Network |
| RAT | Reduce All Theft |
| RAT | Right Action Taken |
| RAT | Robberies And Thefts |
| RATT | Response Awareness Tactical Training |
| RAV | Rights of the Accused and Victims |
| RAVE | Reducing Americans Vulnerability To Ecstasy |
| RAVE | Reducing American's Vulnerability to Extacy |
| RAVE | Reducing America's Vulnerability to Ecstasy |
| RAZAR | Rapid Adaptive Zoom for Assault Rifles |
| RB | Rubber Bullet |
| RBC | Reasoning By Cases |
| RBH | Robinson, Bradshaw, & Hinson |
| RBI | Recruiter Background Investigation |
| RBI | Reddit Bureau of Investigation |
| RBI | Resentment Building Intensely |
| RBL | Ruthless By Law |
| RBM | Raving Busted Maniacs |
| RBM | Robertson, Bailes, and McClelland, L.L.P. |
| RBOL | Revista Brasileira de Odontologia Legal |