| Robotic Refueling Mission | Academic & Science |
| Realty Rate Monitor | Accounts and Finance |
| Marromeu | Airport Code |
| Retail Revenue Management | Business |
| Restaurant Risk Management | Business |
| Recycling Resource Management | Business |
| Rail Resource Management | Business |
| Recycling and Resource Management | Business |
| Really Rotten Modernization | Business |
| Road Race Management, Incorporated | Business |
| Radio Resource Management | Business Management |
| Residential Reentry Management | Business Management |
| Regulatory Reporting Management | Business Management |
| Remediation Risk Management | Business Management |
| Road Race Management | Business Management |
| Rapid Response Manufacturing | Computing |
| Radio Resource Measurement | Computing |
| Resource Repository Manager | Computing |
| Relative Record Number | Computing |
| Rustbelt RNA Meeting | General |
| Remote Releasing Module | General |
| RNA Recognition Motifs | General |
| Rochester Rotational Molding | General |
| Registered Reporting Mechanism | General |
| Record Reference Manual | General |
| Registered Reporting Mechanisms | General |
| Rapid Response Mechanism | General |
| Routine Reportable Matter | General |
| Resource Requirements Methodology | General |
| Revelation Risk Model | General |
| Resource Request Matrix | General |
| Reviewer Recruitment Module | General |
| Residual Radioactive Material | General |
| Rate Review Mechanism | General |
| Round Robin Matching | General |
| Risk Reduction Measure | General |
| Risk Reduction Mastectomy | General |
| Return Regression Model | General |
| Rapid Response Mission | General |
| Rouge Robot Master | General |
| Run-Off Road Mitigation | General |
| Retro Racing Magazine | General |
| Radiant Red Metallic | General |
| Rna Recognition Motif | Medical |
| Restorative Reproductive Medicine | Medical |
| Reports, Reviews, and Meetings | Military and Defence |
| Route Reconfiguration Method | Networking |
| Regional Risk Manager | Regional |
| Road Race Management, Inc. | Sports |
| Recreation Resource Management | Sports |
| Road///race Motorsports | Sports |
