MGBA
| 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 |