MTL

MTL may refer to:

• Montreal Canadiens, a National Hockey League (NHL) team based in Montreal, Quebec
• An abbreviation of Montreal
• An abbreviation of Mount Laurel Township, New Jersey
• The official abbreviation for the Muldentalkreis district in the Free State of Saxony, Germany
• The ISO 4217 code for the Maltese lira, the former currency of Malta
• Modern Taiwanese Language, an orthography in the Latin alphabet for the Taiwanese language
• First language or mother tongue language
• The Master of Teaching and Learning postgraduate degree
• Mary Todd Lincoln
• Maitland Airport in Australia
• RAF-Avia ICAO code

Science and technology

• Material Template Library, a 3D graphics format that describes the material(s) for an accompanying OBJ file
• Matrix Template Library, a linear algebra library for C++ programs
• Microsystems Technology Laboratories at the Massachusetts Institute of Technology
• Model Transformation Language, a generic term for various languages to perform transformations on mathematical models
• Monoidal t-norm logic, the logic of left-continuous t-norms
• Japan Median Tectonic Line, Japan's largest seismic fault system
• Medial temporal lobe, a brain region involved in learning and memory
• Merged transistor logic

Products and companies

• Modern Terminals Limited, a container terminal operator in Hong Kong
• MTL (transport company), a former Merseyside-based bus, coach and train operator in the United Kingdom
• MTL Instruments Group