MGAA
| Acronym | Definition |
|---|---|
| MGAA | Milwaukee Graduate Assistants Association (Milwaukee, WI) |
| MGAA | Mounted Games Across America, Inc. |
| MGAA | Multicultural Golf Association of America, Inc. |
| MGAA | Middle Georgia Art Association (Macon, GA) |
| MGAA | Mark Gerstl & Associates Architects (Dover Heights, NSW, Australia) |
| MGAA | Mid Georgia Apartment Association (Macon, GA) |