| Acronym | Definition |
|---|
| MGB➣Manual Gearbox |
| MGB➣Metro Group Buying (Hong Kong) |
| MGB➣Mini-Gastric Bypass |
| MGB➣Matsuno Glass Beads (Japan) |
| MGB➣May God Bless |
| MGB➣Minor Groove Binder (molecular biology) |
| MGB➣Matthew Good Band |
| MGB➣Medial Geniculate Body |
| MGB➣Motor Gun Boat |
| MGB➣Medium Girder Bridge |
| MGB➣Main Gear Box |
| MGB➣Mobile Garbage Bin |
| MGB➣Microsoft Global Briefing |
| MGB➣Match Grade Barrel (ammunition) |
| MGB➣Magandang Gabi Bayan (Good Evening Nation, Philippine TV newsmagazine) |
| MGB➣Mini-GameBoy (gaming system) |
| MGB➣Mass Group Buff (gaming) |
| MGB➣Missile Gunboat |
| MGB➣Mysterious Blue Guy |
| MGB➣Master Ground Bar |
| MGB➣Main Ground Bus |
| MGB➣Morris Garage Model B (vehicle) |
| MGB➣Machine Gun Blow (gaming) |
| MGB➣Model of Goal-Directed Behavior |
| MGB➣Mills-Godwin Building (Old Dominion University; Norfolk, VA) |
| MGB➣Main Grocery Buyer (market research) |
| MGB➣Metal Graphite Brush |
| MGB➣Miller's Gas Bicycles (St. Louis, MO) |
| MGB➣Mardergraphics Berlin |
| MGB➣Monolithic Glass Block |