| Acronym | Definition |
|---|
| TUM | Technische Universität München (German University) |
| TUM | Technical University of Munich (Munich, Germany) |
| TUM | Trade Union Movement (various locations) |
| TUM | Truck Utility Medium |
| TUM | The Underground Movement |
| TUM | Technical University of Moldova |
| TUM | Tracked Umbilical Machine |
| TUM | Teachers' Union of Malawi |
| TUM | Técnico en Urgencias Médicas (Spanish: Emergency Medical Technician) |
| TUM | Tag-Out Users Manual |
| TUM | Transports Urbains Montluçonnais (French: Montluçon Urban Transport; Montluçon, France) |
| TUM | Transports Urbains Mendois (French: Mendois Urban Transport; Mende, France) |
| TUM | Terrain Update Module |
| TUM | Telephone-based Unified Messsaging |
| TUM | Tveit Union Musikkorps (Kristiansand, Norway) |