| Acronym | Definition |
|---|
| RTMA | Regional Transportation Management Association |
| RTMA | Real-Time Mesoscale Analysis |
| RTMA | Real Time Market Application |
| RTMA | Routes To Market Association |
| RTMA | Rochester Tooling and Machining Association |
| RTMA | Rolling Three Month Average |
| RTMA | Return To Manufacturer Authorization |
| RTMA | Ray Transfer Matrix Analysis (physics) |
| RTMA | Radio Television Manufacturers Association |
| RTMA | Rural Transportation Management Association |
| RTMA | Reliable Transport for Mobile Applications |
| RTMA | Rav Teitz Mesivta Academy |
| RTMA | Rockford Tooling and Machining Association |
| RTMA | Registered Trade Mark Attorney |
| RTMA | Registered Trade Mark Agent |
| RTMA | Rural Transportation Management Authority |
| RTMA | Revue Technique Machinisme Agricole |
| RTMA | Rajasthan Textile Mills Association (India) |
| RTMA | Regional Transportation Management Agency (South Carolina) |
| RTMA | Routing Table Measurement and Analysis |
| RTMA | ROC Trading Master Agreement |
| RTMA | Robert Thomas Medical Associates |
| RTMA | Rabbi Teitz Mesivta Academy |