| Acronym | Definition |
|---|
| RMA | Return Merchandise Authorization |
| RMA | Return Material Authorization |
| RMA | Risk Management Agency (USDA) |
| RMA | Rubber Manufacturers Association |
| RMA | Risk Management Association (US) |
| RMA | Revolution in Military Affairs |
| RMA | Royal Military Academy |
| RMA | Rubin Museum of Art (New York, NY) |
| RMA | Rocky Mountain Arsenal (Denver, CO, USA; now closed) |
| RMA | Rate Monotonic Analysis |
| RMA | Records Management Application |
| RMA | Registered Medical Assistant |
| RMA | Reproductive Medicine Associates (New Jersey) |
| RMA | Rosin Mildly Activated |
| RMA | Relationship Management Application (SWIFT) |
| RMA | Recording Musicians Association |
| RMA | Royal Marine Artillery |
| RMA | Radio Manufacturers' Association |
| RMA | Richmond Metropolitan Authority |
| RMA | Return to Manufacturer Authorization |
| RMA | Reliability, Maintainability & Availability |
| RMA | Robust Multichip Analysis |
| RMA | Rivermead Motor Assessment (stroke patient test) |
| RMA | Registered Migration Agent (Australia) |
| RMA | Riverside Military Academy (Gainesville Georgia) |
| RMA | Russian Martial Arts |
| RMA | Risk Management Alternatives, Inc |
| RMA | Recording Management Area (optical disc recording) |
| RMA | Removal Action |
| RMA | Regional Monitoring Agency |
| RMA | Resource Management Account |
| RMA | Russian Managers Association |
| RMA | Royal Malta Artillery |
| RMA | Range Migration Algorithm |
| RMA | Roma, Queensland, Australia - Roma (Airport Code) |
| RMA | Rock Me Amadeus (song) |
| RMA | Resource Management Application |
| RMA | Resources Management Act (New Zealand) |
| RMA | Refractory Metals Association |
| RMA | Remote Manipulator Arm (US space shuttle robotic arm) |
| RMA | Removable Media Assembly |
| RMA | Readiness Management Application |
| RMA | Remember Me Always |
| RMA | Ramon Magsaysay Award |
| RMA | Royal Marine Association |
| RMA | Reliability/Maintainability Analysis |
| RMA | Registered Members' Area |
| RMA | Refusing Medical Attention |
| RMA | Radiological Materials Area |
| RMA | Right Mouse Action |
| RMA | Real Meat Alternatives |
| RMA | Re-Configuration Management Architecture |
| RMA | Readiness Management Activity |
| RMA | Reciprocal Microstrip Antenna |
| RMA | Rehabilitation Management Associates |
| RMA | Requirements Management Agreement |
| RMA | Right Main Artery |