| RMDA | Rack Mounted Distribution Amplifier 
| Others |
| RMDA | Records Management And Declassification Agency
| Others |
| RMDA | Red Mangrove Development Advisors
| Others |
| RMDA | Red Mexicana De Derecho Ambiental
| Others |
| RMDA | Research Materials Distribution Agreement
| Others |
| RMDA | Resource Management and Design Application
| Others |
| RMDA | Resource Management Design Application
| Others |
| RMDA | Restaurant Marketing and Delivery Association
| Others |
| RMDA | Robust Mixture Discriminant Analysis
| Others |
| RMDA | Rocky Mountain Dart Association
| Others |
| RMDA | Rolando Mercado Design Associates
| Others |
| RMDA | Russian music and dance in America
| Others |