MPL

MPL may refer to:

Libraries

• Markham Public Library, Ontario, Canada
• Minneapolis Public Library, Minnesota, US
• Milwaukee Public Library, Wisconsin, US
• Milton Public Library, Ontario, Canada
• Milton Public Library, Wisconsin, US

Science and technology

Biology and medicine

• MPL (gene), which encodes the myeloproliferative leukemia protein (thrombopoietin receptor)
• Medial patellar luxation, a medical condition in dogs
• Monophosphoryl lipid A, a derivative of the lipid A molecule

Computing

• .mpl, file extension for a Maconomy print layout file
• .mpl, file extension for a type of Perl module
• Mathematical Programming Language, a high-level optimization modeling language
• Messenger Plus! Live, a software add-on for Windows Live Messenger
• Metaprogramming library, a component of Boost (C++ libraries)
• Microsoft Public License (formerly Microsoft Permissive License), an open source software license
• MIDI Programming Language
• Mozilla Public License, an open source software license
• PL/I programming language

Other uses in science and technology

• Magnetic path length
• Marfanoid–progeroid–lipodystrophy syndrome
• Marine Physical Laboratory, an organized research unit within Scripps Institution of Oceanography at the University of California San Diego
• Mars Polar Lander, a robotic spacecraft launched by NASA
• Max Planck Institute for the Science of Light, in Erlangen, Germany
• Maximum parcel level, in meteorology and climatology
• Multi-photon lithography, a process used in microfabrication
• Walther MP, a series of submachine guns produced in Germany from 1963 to 1987
• Micro Pneumatic Logic, Inc, Florida, US

Sports

• Malaysia Premier League, a second-tier football league in Malaysia
• Messenger Premier League, a table tennis competition in Australia
• Mexican Pacific League, a winter baseball league in Mexico
• Miyazaki Phoenix League, a fall baseball league in Japan
• Mangalore Premier League, a cricket league in Karnataka, India

Transportation

• Marple railway station, in England (National Rail station code MPL)
• Minnesota Prairie Line, a railroad in Central Minnesota
• Montpellier-Méditerranée Airport, in Montpellier, France (IATA code MPL)
• Multi-crew pilot license, an airline training program

Other uses

• MPL Communications (McCartney Publishing Limited), a music publisher and the umbrella company for the business interests of Paul McCartney
• Malian Party of Labour, a political party in Mali
• Managing Partners Limited, an investment company based in London, UK
• Marginal product of labor (MP_L), in economics
• Patrologia Latina, a collection of manuscripts compiled in the 19th century
• Puri Lukisan Museum, in Bali, Indonesia
• Mobile Premier League, a mobile e-sports platform, based in India