| Acronym | Definition |
|---|
| MRMA | Mississippi River Maritime Association |
| MRMA | Marion Regional Manufacturers Association |
| MRMA | Marc Roelofs Marketing Advies (Dutch: Marc Roelofs Marketing Advice) |
| MRMA | Myanmar Rice Millers Association |
| MRMA | Multicast Resource Management Architecture |
| MRMA | Max Rowley Media Academy |
| MRMA | Minnesota Retail Merchants Association |
| MRMA | Montreal Railroad Modelers Association (Association des Modélistes Ferroviaires de Montréal) |
| MRMA | Michael Reese Medical Associates |
| MRMA | Mississippi River Maple Association |
| MRMA | Meadow Raised Meats Association |
| MRMA | Masvingo Regional Mathematics Association |
| MRMA | Multiple Resource Management Area |
| MRMA | Mandatory Road Maintenance Assessment |
| MRMA | Multi-Receiver, Multiple Access |
| MRMA | Maryland Regional Montadale Association |
| MRMA | Mars Rover Manager's Associate |
| MRMA | Minnesota Records Management Act |
| MRMA | Meet to Reach Mutual Agreement |
| MRMA | Medical Risk Management Associates, LLC |
| MRMA | Moili'ili Resident Managers' Association (Hawaii) |
| MRMA | McArthur Resource Management Association, Inc. |
| MRMA | Miami Research Marketing and Advertising, Inc. |
| MRMA | Market Risk Management and Analysis |
| MRMA | Miramichi Regional Multicultural Association (Canada) |
| MRMA | Midwest Radio and Music Association |