MDL may refer to:

Companies

  • Mazagon Dock Limited, a company with shipyards in Mumbai, India
  • MDL Information Systems, a company formerly named Molecular Design Limited

Places

  • Museum of Dartmoor Life, Oakhampton, Devon, England
  • Mandalay International Airport (IATA airport code: MDL), Myanmar
  • Military Demarcation Line, a truce border line between North and South Korea

Science and technology

  • Method detection limit, of a chemical substance

Computing

  • Fayyad & Irani's MDL method, a discretization method
  • MDL (programming language), derived from LISP
  • .mdl, the file extension for Valve's Source and ID Software's IDTech game engines proprietary model file format
  • Microsoft Design Language, a design language
  • Minimum description length, a principle for inductive inference in information theory
  • Mobile driver's license, a mobile app that replaces a physical driver's license

Other uses

  • Moldovan leu, the currency of Moldova
  • Multidistrict litigation, US consolidation of complex litigation
  • 1550 (Roman numeral), a year

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