| Acronym | Definition |
|---|
| MGMC➣Mary Greeley Medical Center (Iowa) |
| MGMC➣Malcolm Grow Medical Center (Andrews Air Force Base; Maryland) |
| MGMC➣Millimeter Gun Motor Carriage |
| MGMC➣Mercy Gilbert Medical Center (Gilbert, AZ) |
| MGMC➣Machine Gun Motor Carriage (scale model) |