| Acronym | Definition |
|---|
| MMRA➣Miniature Motorsports Racing Association |
| MMRA➣Minuteman Repeater Association, Inc. (amateur radio club; Massachusetts) |
| MMRA➣Minnesota Motorcycle Riders Association (Minneapolis, MN) |
| MMRA➣Model Mutual Recognition Agreement |
| MMRA➣Ministry of Municipalities and Rural Affairs |
| MMRA➣Michigan Midget Racing Association (Clarkston, MI) |
| MMRA➣Mobilization Material Requirement Adjustment |