| Acronym | Definition |
|---|
| MUST | Mbarara University of Science and Technology (Uganda) |
| MUST | Malnutrition Universal Screening Tool |
| MUST | Manchester United Supporters' Trust (football society; UK) |
| MUST | Montana Unified School Trust (Helena, MT) |
| MUST | Motivating Undergraduates in Science and Technology (US NASA) |
| MUST | MISR University for Science and Technology (Egypt) |
| MUST | Militära Underrättelse- och Säkerhetstjänsten (Swedish Military Intelligence and Security Agency) |
| MUST | Militära Underrättelsetjänsten (Swedish Military Intelligence Agency) |
| MUST | Medical Unit, Self-Contained, Transportable |
| MUST | Multi-Use Sport Trailer (Mississauga, Ontario, Canada) |
| MUST | Multi-Sector Skills Training Programme (Trinidad and Tobago) |
| MUST | Mongolian University for Science and Technology |
| MUST | MAC UHF Satellite Terminal |
| MUST | Miraleste Unified Seven through Twelve (Plan) |
| MUST | Maximum Utilization of Skills & Training |