MTL

Possible meanings:

• An abbreviation of Montreal
• An abbreviation of Mount Laurel, 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 ortography in the Latin alphabet for the Taiwanese language
• Mother tongue language, or first language
• The Master of Teaching and Learning postgraduate degree
• Mary Todd Lincoln
• Motivation To Lead applied in Social Sciences

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 [1] at the Massachusetts Institute of Technology
• Minimum Threshold Level, representing the minimum usable signal level in operation of a receiver
• 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.

Products and companies

• Manipal Technologies Limited, Manipal, India.
• 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
• The first Nordic mobile telecomsystem named after Sture Lauhrén