MASG
| 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 |