| Acronym | Definition |
|---|
| AMTL➣Alpine Mountaineering and Technical Leadership (American Alpine Institute; Bellingham, WA) |
| AMTL➣Army Materials Technology Laboratory |
| AMTL➣American Medical Testing Laboratories |
| AMTL➣Antemortem Tooth Loss (dentistry) |
| AMTL➣Advanced Manufacturing Technology Laboratory |
| AMTL➣active management of the third stage of labor |
| AMTL➣Área Metropolitana de Transportes de Lisboa (Portuguese: Metropolitan Area of Transportation of Lisbon) |