| 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) |