| Acronym | Definition |
|---|
| MASH | Mobile Army Surgical Hospital |
| MASH | Multi-Agency Safeguarding Hub (UK) |
| MASH | Mobile Agent Secure Hub |
| MASH | Microsoft Agent Scripting Helper |
| MASH | Multi Stage Noise Shaping |
| MASH | Manual for Assessing Safety Hardware (transportation) |
| MASH | Microsoft Agent Scripting Helper (software) |
| MASH | Mansion Apartment Shack House (game) |
| MASH | Multi-Stage Noise Shaping |
| MASH | Ministria e Arsimit Dhe Shkencës (Albanian: Ministry of Education and Science of Albania) |
| MASH | Miami Area Society of Homebrewers |
| MASH | Multi-Agency Strategic Hub (UK) |
| MASH | Malaysian Association of Speech-Language and Hearing |
| MASH | Mechanicsburg Area Senior High (Pennsylvania) |
| MASH | Meadville Area Senior High (Pennsylvania) |
| MASH | Mosquito Abatement for Safety and Health Act |
| MASH | McMaster Association of Secular Humanists |
| MASH | More Alcohol Served Here (Tel Aviv, Israel bar) |
| MASH | Municipal, Academic, Schools and Hospitals (public sector) |
| MASH | Make A Sailor Hurt |
| MASH | Modern Armies Serving Heaven |
| MASH | Make A Survivor Happen |
| MASH | Mobile Animal Services and Help, Inc. |
| MASH | Mobile Air Surgical Hospital (Australia) |
| MASH | Mobile Antenna System Handbook |