MDL

MDL may refer to:

Computing

 * Fayyad & Irani's MDL method, a discretization method
 * MDL (programming language), derived from LISP
 * The extension for Valve's Source, Source 2 and ID Software's IDTech game engines proprietary model file format
 * Microsoft Design Language, a design language created by Microsoft
 * Minimum description length, a principle for inductive inference in information theory

Locations

 * Mazagon Dock Limited, an Indian shipyard
 * Military Demarcation Line, a truce border line between North and South Korea
 * Museum of Dartmoor Life, Oakhampton, Devon, England
 * IATA airport code for Mandalay International Airport

Other

 * Method Detection limit of a chemical substance
 * Mobile driver's license, a mobile app that replaces a physical driver's license
 * MDL Information Systems, company formerly named "Molecular Design Limited"
 * Moldovan leu, the currency of Moldova
 * Multidistrict Litigation, US consolidation of complex litigation
 * Roman numeral for 1550
 * Might Delete Later, 2024 mixtape by J. Cole