| Acronym | Definition | 
|---|
| MRG➣Merge | 
| MRG➣Minority Rights Group International | 
| MRG➣Mad River Glen (Vermont) | 
| MRG➣Messaging, Realtime and Grid (Red Hat) | 
| MRG➣Mouvement des Radicaux de Gauche (French: Left Radical Movement) | 
| MRG➣Monitoring and Reporting Guidelines (environment; EU) | 
| MRG➣Manyetik Rezonans Görüntüleme (Turkish :magnetic resonance imaging) | 
| MRG➣Movimiento de Resistencia Global (antiglobalization movement) | 
| MRG➣Mandalay Resort Group | 
| MRG➣Mechanical Rubber Goods | 
| MRG➣Minimum Revenue Guarantee | 
| MRG➣Music Research Group | 
| MRG➣Medical Reform Group | 
| MRG➣Main Reduction Gear | 
| MRG➣Multiple Range Gate | 
| MRG➣Mietrechtgesetz (German: Tenancy Act) | 
| MRG➣Mountain Rescue Group | 
| MRG➣Marketing Results Group | 
| MRG➣Murmurs, Rubs, or Gallops (cardiac assessment) | 
| MRG➣Metal Reinforced Gasket | 
| MRG➣Masada Resource Group, LLC (Birmingham, AL) | 
| MRG➣Movement Requirements Generator | 
| MRG➣Medium Range aircraft | 
| MRG➣Message Routing Guides | 
| MRG➣Material Review Group | 
| MRG➣Market Risk Group |