| Abbreviation | Definition |
|---|---|
| Rosoboronexport | Russian Defense Export Agency |
| ROT | Return On Taxes |
| ROTC | Reserve Officers Training Corps |
| ROW | Rest Of World |
| ROW | Rights Of Way |
| RP | Really Poor |
| RP | Response Paper |
| RPA | Reporting of Public Affairs |
| RPB | Reform Pension Board |
| RPC | Regional Protection Code |
| RPCV | Returned Peace Corps Volunteer |
| RPD | Reach Per Dollar |
| RPFT | Retirement Pension Forecasting Team |
| RPGCC | Research Program on Global Climate Change |
| RPI | Retail Price Index |
| RPJ | Rapid Process Justification |
| RPK | Republican Party of Kentucky |
| RPO | Regular Production Option |
| RPO | Rural Post Office |
| RPS | Remote Proposal Submission |