| Abbreviation | Definition |
|---|---|
| RIS | Registration Information Sheet |
| RISC | Regulatory Information Service Center |
| RISE | Responsibility Initiative Solutions Empowerment |
| RITA | Relocation Income Tax Allowance |
| RITA | Research and Innovative Technology Administration |
| RITAA | Ranking Invitation To Apply Approvals |
| RITC | Revised Indian Trade Classification |
| RKA | Rossiyskoe Kosmicheskoye Agentsvo |
| RLBPHRA | Residential Lead-Based Paint Hazard Reduction Act |
| RLD | Responsible Land Developer Program |
| RLF | Revolving Loan Fund |
| RLL | Low Level Radiation |
| RM | Risk Management |
| RMA | Risk Management Agency |
| RMP | Records Management Plan |
| RMP | Records Management Program |
| RMP | Resuscitative Medicine Program |
| RMS | Record Management System |
| RMS | Risk Mitigation Strategy |
| RMV | Registry of Motor Vehicles |