| RMA | Radio Manufacturers Association 
| Others |
| RMA | Rally Magazin Awards
| Others |
| RMA | Ramon Magsaysay Award
| Others |
| RMA | Randolph Macon Academy
| Others |
| RMA | Randolph-Macon Academy
| Others |
| RMA | Range and Maneuver Area
| Others |
| RMA | Rate Monotonic Analysis
| Others |
| RMA | Raw Material Assembly
| Others |
| RMA | Real Madrid
| Others |
| RMA | Really Messed Assignment
| Others |
| RMA | Receivables Management Association
| Others |
| RMA | Recording Musicians Association
| Others |
| RMA | Red Marine Algae
| Others |
| RMA | Redevelopment Management Associates
| Others |
| RMA | Refugee Medical Assistance
| Others |
| RMA | Refused Medical Assistance
| Others |
| RMA | Registered Medical Assistant
| Others |
| RMA | Relationship Management Application
| Others |
| RMA | Reliability Maintainability and Availability
| Others |
| RMA | Reliability Maintainability Availability
| Others |
| RMA | Reliability, Maintainability, Availability
| Others |
| RMA | Reliable Multicast Algorithm
| Others |
| RMA | Remember Me Always
| Others |
| RMA | Remote Manipulator Arm
| Others |
| RMA | Remote Memory Access
| Others |
| RMA | Remote Monitoring Agent
| Others |
| RMA | Reproductive Medicine Associates
| Others |
| RMA | Request for Manual Assistance
| Others |
| RMA | Request for Modification and Affidavit
| Others |
| RMA | Resource Management Act
| Others |
| RMA | Resource Management Agency
| Others |
| RMA | Resource Management Agent
| Others |
| RMA | Resource Management and Accounting
| Others |
| RMA | Resource Modeling Association
| Others |
| RMA | Restricted Machine Access
| Others |
| RMA | Retail Management Academy
| Others |
| RMA | Retail Market Area
| Others |
| RMA | Retail Merchants Association
| Others |
| RMA | Retirement Management Advisor
| Others |
| RMA | Return Material Authorisation
| Others |
| RMA | Return Material Authorization
| Others |
| RMA | Return Materials Authorization
| Others |
| RMA | Return Merchandise Application
| Others |
| RMA | Return Merchandise Authorisation
| Others |
| RMA | Return Merchandise Authorization
| Others |
| RMA | Return Merchandize Authorization
| Others |
| RMA | Return to Manufacturer Authorisation
| Others |
| RMA | Returned Materials Authorization
| Others |
| RMA | Returned Merchandise Authorization
| Others |
| RMA | Revenue Management Application
| Others |
| RMA | Revolution in Military Affairs
| Military |
| RMA | Rheinauer Maschinen Und Armaturenbau
| Others |
| RMA | Richmond Metropolitan Authority
| Others |
| RMA | Right Mouse Action
| Others |
| RMA | Risk Management Agency
| Others |
| RMA | Risk Management and Analytics
| Others |
| RMA | Risk Management Association
| Others |
| RMA | Riverside Military Academy
| Others |
| RMA | Road Maintenance Agreement
| Others |
| RMA | Road Management Act
| Others |
| RMA | Robert Morris Associates
| Others |
| RMA | Robust Multi array
| Others |
| RMA | Robust Multichip Analysis
| Others |
| RMA | Robust Multiple Array
| Others |
| RMA | Rocky Mountain APPA
| Others |
| RMA | Roma Airport
| Others |
| RMA | Roma, Queensland, Australia
| Others |
| RMA | Rosin Mildly Activated
| Others |
| RMA | Roughness Metallic Ambient
| Others |
| RMA | Route Master Association
| Others |
| RMA | Royal Marine Artillery
| Others |
| RMA | Royal Military Academy
| Others |
| RMA | Royal Military Academy (Sandhurst, Surrey, UK)
| Others |
| RMA | Rubber Manufacturers Association
| Others |
| RMA | Rubin Museum of Art
| Others |
| RMA | Russian Martial Art
| Others |
| RMA# | Return Material Authorization Number
| Others |