| Acronym | Definition |
|---|
| RMS | Root-Mean-Square (power measurement) |
| RMS | Richard M. Stallman |
| RMS | Records Management System |
| RMS | Royal Mail Ship |
| RMS | Radiation Monitoring System |
| RMS | Royal Mail Steamer |
| RMS | Record Management Services |
| RMS | Republik Maluku Selatan (Republic of the South-Moluccas) |
| RMS | Royal Microscopical Society |
| RMS | Raytheon Missile Systems |
| RMS | Records Management Society |
| RMS | Receivable Management Services |
| RMS | Royal Meteorological Society |
| RMS | Radio Marketing Service (Hamburg, Germany) |
| RMS | Railway Mail Service |
| RMS | Royal Mail Steamship |
| RMS | Rate Monotonic Scheduling |
| RMS | Rack Mount Space |
| RMS | Readiness Management Support |
| RMS | Royal Mail Service |
| RMS | Recovery Management System |
| RMS | Reconfigurable Manufacturing System |
| RMS | Rocky Mountain Slides (Salida, CO) |
| RMS | Rotating Magnet |
| RMS | Raw Material Supply |
| RMS | Russ Martin Show (radio) |
| RMS | Rubbermaid Medical Solutions |
| RMS | Russian Mathematical Surveys |
| RMS | Reconnaissance Management System |
| RMS | Recipe Management System (manufacturing) |
| RMS | Reloadable Motor System |
| RMS | Recovery Management Support |
| RMS | Rainwater Management Solutions |
| RMS | Rapid Message Service (HeyAnita |
| RMS | Revue des Mathématiques de l'Enseignement Supérieur (French: Journal of Higher Education Mathematics) |
| RMS | Repair Management System (various companies) |
| RMS | Remote Monitoring Subsystem |
| RMS | Rocket Management System |
| RMS | Ride Motion Simulator |
| RMS | Rapid Message Service (HeyAnita, Inc.) |
| RMS | Rake Management System |
| RMS | Rocky Mountain Semester (High Mountain Institute) |
| RMS | Richmond Montessori School (Richmond, Virginia) |
| RMS | Range Management Squadron |
| RMS | Roughness Measurement System |
| RMS | Redmax Management Suite |
| RMS | Remote Master Station |
| RMS | Routemagic Server |
| RMS | Raw Materials Surcharge (steel) |
| RMS | Rex Marechal Shapes (Berkeley Vale, NSW, Australia surfboard shaper) |
| RMS | Rapid Multilingual Support (DARPA Babylon program) |
| RMS | Roadside Mail Service (Australia Post) |
| RMS | Range Measuring System |
| RMS | Royal Merchant Ship |
| RMS | Roosevelt Magnet School (Peoria, IL) |
| RMS | Ruffing Montessori School (Cleveland Heights, OH) |
| RMS | Ramp Metering Station (traffic management) |
| RMS | Request for Merge Specification |
| RMS | Relocation Management Solutions (New York) |
| RMS | Redundancy Management Services (Telcordia) |
| RMS | Remember My Service |
| RMS | Routing Management System |
| RMS | Random Message Selection |
| RMS | Removable Memory System |
| RMS | Royal Mushroom Sirkus (theRMS album) |
| RMS | Rushey Mead School (UK) |
| RMS | Relational Management System |
| RMS | Recruiting Main Station |
| RMS | Rotorcraft Mapping System |
| RMS | Rapid Mobile Surgical (hospital) |
| RMS | Redistribution Management System |
| RMS | Reine Musikleistung (German: effective music output of speakers) |
| RMS | Requirements Mediations Service |
| RMS | Remote Maintenance Station(s) |
| RMS | Reliability and Maintainability Simulator |
| RMS | Resource Monitoring Subsystem |
| RMS | Radar Maintenance Spares |
| RMS | Reducing Metering Station |
| RMS | Retarder Modulation Solenoid |
| RMS | Ready Maintenance Stores |
| RMS | Regional Maintenance Shop |
| RMS | Regular Menu Staging |
| RMS | Rotary Mechanical Splicing |
| RMS | Royal Majesty Services |
| RMS | Rail Maintenance Service (KPR locomotives) |
| RMS | Report of Material State |
| RMS | Rich Message Service |
| RMS | Rappahannock Music Society (Virginia) |
| RMS | Radio Measurement Statistics |
| RMS | Reims Management School (France) |
| RMS | Return Management System (software) |
| RMS | Redundancy Management System |
| RMS | Retail Managed Services |
| RMS | Riverwood Middle School |
| RMS | Reference Member State |
| RMS | Return My Serve |
| RMS | Respiratory Monitoring System |
| RMS | Royal Military School (various locations) |
| RMS | Remote Measurement System |
| RMS | Rocks My Socks |
| RMS | Risk Management Solutions, Inc |
| RMS | Risk Management Strategy |
| RMS | Restaurant Management System (Point of Sale) |
| RMS | Revere Middle School (Richfield, OH) |
| RMS | Respiratory Muscle Strength |
| RMS | Rooms |
| RMS | Relapsing Multiple Sclerosis (disease) |
| RMS | Resource Management Services |
| RMS | Resident Management System |
| RMS | Revenue Market Share |
| RMS | Rada Mladeze Slovenska (Slovak: Youth Council of Slovakia) |
| RMS | Remote Management Software |
| RMS | Robinson Middle School (Plano, Texas) |
| RMS | Requirements Management System |
| RMS | Redwood Middle School (California) |
| RMS | Retail Management System |
| RMS | Remote Monitoring System |
| RMS | Resource Management Solutions (Spokane, WA) |
| RMS | Rights Management Services (Microsoft Windows Server 2003) |
| RMS | Rhabdomyosarcoma |
| RMS | Request Management System |
| RMS | Requirements Management System (National Imagery Collection Requirements) |
| RMS | Robotic Manufacturing System |
| RMS | Remote Manipulator System (Space Shuttle) |
| RMS | Remote Mine-hunting System |
| RMS | Reliability Management System (Western Systems Coordinating Council initiative for assuring reliable electric power) |
| RMS | Reliability, Maintainability, Supportability |
| RMS | Relative Market Share |
| RMS | Risk Management System |
| RMS | Revenue Management System |
| RMS | Revision Management System |
| RMS | Resource Management System |