| Acronym | Definition |
|---|
| MGK | Machine Gun Kelly (rap artist) |
| MGK | McLaughlin Gormley King (insect control products; Minneapolis, MN) |
| MGK | Milli Guvenlik Kurulu (Turkish: National Security Council) |
| MGK | Mouse Glandular Kallikrein (gene) |
| MGK | Musikalsk Grund Kursus (Danish: Musically Basic Course) |
| MGK | Modelleisenbahn-Gemeinschaft Kerpen (German model railroads) |
| MGK | Medieval Greek (aka middle Greek) |
