| Acronym | Definition |
|---|
| MET | Metropolitan |
| MET | Meteorological/Meteorology |
| MET | Metal |
| MET | Metallica (band) |
| MET | Mechanical Engineering Technology (college course) |
| MET | Manufacturing Engineering |
| MET | Methionine (Amino Acid) |
| MET | Metallurgy |
| MET | Metrology |
| MET | Metabolic Equivalent |
| MET | Metafile (filename extension OS/2 operating system) |
| MET | Mission Elapsed Time (NASA) |
| MET | Middle European Time (CET) |
| MET | Mission Essential Task |
| MET | Memory Enhancement Technology |
| MET | Mathematics Education Trust |
| MET | Maximum Execution Time |
| MET | Ministère Wallon de l'Equipement et des Transports (Belgium) |
| MET | Mind's Eye Theatre |
| MET | Master of Educational Technology |
| MET | Multiple-Employer Trust |
| MET | Massachusetts Environmental Trust |
| MET | Mobile Enforcement Team |
| MET | Microscopie Électronique en Transmission (French: Transmission Electron Microscopy) |
| MET | Microcurrent Electrical Therapy |
| MET | Marine Engineering Technology |
| MET | Multidisciplinary Evaluation Team |
| MET | Mechanical Engineering Team |
| MET | Mobile Education Team |
| MET | Meteorological Team |
| MET | Modularized Equipment Transporter |
| MET | Mobile Equipment Transporter (Apollo Program) |
| MET | Multimedia En Telecommunicatie (Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek) |
| MET | Many Electron Theory |
| MET | Main Earthing Terminal |
| MET | Multibutton Electronic Telephone |
| MET | My Ego Times (website) |
| MET | Mobile Environmental Team |
| MET | Maryland Electrical Testing (Baltimore, MD) |
| MET | Management Engineering Team |
| MET | Mean Effective Temperature |
| MET | Master Energy Therapist |
| MET | MicroEnergy Technologies, Inc. |
| MET | Mission Event Time |
| MET | Mobile Equipment Technology |
| MET | Metabolic Units Above Resting |
| MET | Medium Energy Telescope |
| MET | Management Emphasis Tracking |
| MET | MILSTAR EDM Terminal |
| MET | Multi-image Exploitation Toolkit |
| MET | Merchandise Enforcement Team (US Customs and Border Protection) |
| MET | Multi-Service Execution Team (US DoD) |
| MET | Meridiano Tecnologias |
| MET | Military Effects Test/Tower |
| MET | Maintenance Engineering Technique |
| MET | Medical Education Training (various locations) |