MMRA
| 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 |