MRTB
| Acronym | Definition |
|---|---|
| MRTB | Medical Radiation Technologists Board (est. 2003; Wellington, New Zealand) |
| MRTB | Multidrug-Resistant Tuberculosis |
| MRTB | Metallic Return Transfer Breaker (electrical energy) |
| MRTB | Multi-function Radar Transponder Beacon |
| MRTB | Medium Range Thermal Binocular |