| Acronym | Definition |
|---|
| MASG➣Mine Action Support Group |
| MASG➣Mount Alexander Sustainability Group (Australia) |
| MASG➣Master Agreement Steering Group (joint governance committee; Nova Scotia, Canada) |
| MASG➣Marine Air Support Group (US Marine Corps) |
| MASG➣Management Academy St Gallen (Switzerland) |
| MASG➣Multi-Agency Steering Group |
| MASG➣Mobile Aggregation Site Gateway (mobile telecommunication networks) |
| MASG➣Merseyside AIDS Support Group (Liverpool, UK) |
| MASG➣Military Airlift Support Group |