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
MDL, a metabolite of nicergoline.
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