| Acronym | Definition |
|---|
| MGBA➣Midland Group Business Advisors (UK) |
| MGBA➣Miniature Goat Breeders Association of Australia |
| MGBA➣Marshall Girls Basketball Association (Minnesota) |
| MGBA➣Marquis Grissom Baseball Association, Inc. |
| MGBA➣Missouri Guernsey Breeders' Association |