| Abbreviation | Definition |
|---|---|
| MVMA | Mississippi Vegetation Management Association |
| MVMA | Mississippi Veterinary Medical Association |
| MVPA | Military Vehicle Preservation Association |
| MVPA | Music Video Production Association |
| MVRA | Maui Vacation Rental Association |
| MVRA | Mississippi Valley Running Association |
| MVSA | Midwest Victorian Studies Association |
| MVSA | Mississippi Valley Soaring Association |
| MVSA | Motor Vehicle Safety Association |
| MVSA | Mountain Valley Sportsmans Association |
| MVZL | Modelbaan Vereniging Zuid Limburg (Dutch: Model Association of South Limburg; model trains) |
| MWA | Maine Windjammer Association |
| MWA | Maryland Writers Association |
| MWA | Massachusetts Workforce Association |
| MWA | Masters Wardens Association |
| MWA | Medical Wellness Association |
| MWA | Michigan Wrestling Association |
| MWA | Midwest Wrestling Association |
| MWA | Montana Wilderness Association |
| MWA | Mountain Watershed Association |