MTL may refer to:

  • An abbreviation and nickname for the city of Montreal, Quebec
  • The Montreal Canadiens, a National Hockey League team based in Montreal.
  • CF Montréal, a Major League Soccer team based in Montreal.
  • The Montreal Alouettes, a Canadian Football League team based in 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
  • First language or mother tongue language
  • Master of Teaching and Learning postgraduate degree
  • Mary Todd Lincoln (1818–1882), wife of Abraham Lincoln and the First Lady of the United States
  • Maitland Airport in Australia
  • Mortlake railway station in London, England (National Rail station code)
  • RAF-Avia, ICAO code
  • An initialism for Military Training Leader
  • Marc Tessier-Lavigne, the 11th President of Stanford University
  • Materials Technology Laboratory, a defunct research facility under the United States Army Materiel Command

Science and technology

  • Machine translation, often abbreviated as "MTL"
  • 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
  • Meteor Lake, a CPU lineup from Intel
  • 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, a class of digital circuits
  • Metric temporal logic, in computer science
  • Multi-task learning
  • MTL Harbor Tugboats

Products and companies

  • Metals Exploration plc (AIM: MTL), a British gold production and exploration company
  • 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