| Rank | Abbreviation | Meaning |
|---|
| ***** | MRAA | Mental Retardation Association of America
| |
| ***** | MRAA | Migration and Refugee Assistance Act
| |
| ***** | MRAA | Microstrip Radial Antenna Array
| |
| ***** | MRAA | Medical Research Acquisition Activity
| |
| ***** | MRAA | Meter Reading Access Arrangement
| |
| ***** | MRAA | Motorcycle Riders Association Australia
| |
| **** | MRAA | Market Research Association of America
| |
| **** | MRAA | Marine Retailer Association of America
| |
| **** | MRAA | Medical Research Agencies of America
| |
| *** | MRAA | Mogee Research Analysis Associates
| |
| *** | MRAA | Mississippi River Alluvial Aquifer
| |
| ** | MRAA | Multi Round Ascending Auction
| |
| ** | MRAA | Membership Recruitment Acceptance Agreement
| |
| ** | MRAA | Multiple Round Ascending Auction
| |
| ** | MRAA | Model Registered Agents Act
| |
| * | MRAA | Macedon Ranges Accommodation Association
| |
| * | MRAA | Marina Retailers Association of America
| |
| * | MRAA | Morgan Ross Athletic Association
| |
| * | MRAA | Mortlach Riding Arena Association
| |
| * | MRAA | Metropolitan Richmond Artists Association
| |
| * | MRAA | Marine Retailers of America
| |
| * | MRAA | Montana Red Angus Association
| |
| * | MRAA | Microcredit Regulatory Authority Act
| |