| Acronym | Definition |
|---|
| MGG➣May-Grunwald-Giemsa (tissue stain sample) |
| MGG➣Micro Gas Generator (market data) |
| MGG➣Musik in Geschichte und Gegenwart (German: Music in History and Presence; musical encyclopedia) |
| MGG➣Molecular and General Genetics (journal) |
| MGG➣MGM Mirage, Inc. |
| MGG➣Markgrafen-Gymnasium (Karlsruhe, Germany) |
| MGG➣Messer Griesheim GmbH (German: Messer Group GmbH; industrial gas industry) |
| MGG➣My Gaming Group (gaming management group) |
| MGG➣Military Governor-General |