MGRA
| Acronym | Definition |
|---|---|
| MGRA | Major-General, Royal Artillery (British military; UK) |
| MGRA | Mussey Grade Road Alliance (Ramona, CA) |
| MGRA | Melbourne Greyhound Racing Association (Australia) |
| MGRA | Missouri Gay Rodeo Association (est. 1986) |
| MGRA | Mills Gap Road Associates (North Carolina) |
| MGRA | Maryland Government Relations Association (est. 1984) |
| MGRA | Mendenhall Glacier Recreation Area (Alaska) |