Met
- Argonne National Laboratory
- Budapest Metropolitan University
- Eurofins Scientific
- List of Mega Man characters
- MET (gene)
- MET Group
- MET Matrix
- Manchester Metropolitan University
- Manhattan Ensemble Theatre
- Manhattan Project
- Manila Metropolitan Theater
- Mediterranean Editors and Translators
- Mesenchymal–epithelial transition
- Met 107
- Met Center
- Met Foods
- Met Office
- Met Park
- Met Éireann
- MetLife
- MetLife Stadium
- Metabolic equivalent of task
- Metallurgical Laboratory
- Methionine
- Methylethyltryptamine
- Metropark station
- Metropolitan Bible Church
- Metropolitan Building (Minneapolis)
- Metropolitan Electric Tramways
- Metropolitan Miami (development)
- Metropolitan Museum of Art
- Metropolitan Opera
- Metropolitan Opera House (disambiguation)
- Metropolitan Police Service
- Metropolitan Railway
- Metropolitan Stadium
- Metropolitan Stores
- Metropolitan Theatre (Winnipeg)
- Metropolitan Transit Authority (Victoria)
- Metropolitan Transit Authority of Black Hawk County
- Metropolitan West Side Elevated Railroad
- Metropolitan line
- Mets (disambiguation)
- Michigan English Test
- Microbial electrochemical technologies
- Microwave electrothermal thruster
- Middle European Time
- Mind's Eye Theatre
- Missing transverse energy
- Mission Elapsed Time
- Modesto and Empire Traction Company
- Modular Equipment Transporter (Apollo program)
- Motivational enhancement therapy
- Muscle energy technique
- Muslim Educational Trust
- Nash Metropolitan
- New York Mets
- The Met (arts centre)
- The Met (skyscraper)
- The Met Theater
- Thermal comfort