MLP

• Master limited partnership, a type of business entity

• MLP SE (formerly Marschollek, Lautenschläger und Partner), a German financial services consulting firm
• Major League Productions, a British record label
• Manchester Literary and Philosophical Society (M. L. & P.), a British learned society
• Marriage Law Project, an organization against same-sex marriage
• Maui Land & Pineapple Company (ML&P), an American land holding company in Hawaii
• Municipal Light & Power (ML&P), Anchorage, Alaska, USA; the municipal electric utility

Sports

• Major League Pickleball, a professional pickleball league
• Maple Leaf Pro Wrestling, a professional wrestling promotion and revival of Frank Tunney's Maple Leaf Wrestling

Political parties

• Marxist-Leninist Party (disambiguation)
• Hungarian Liberal Party (Hungarian: Magyar Liberális Párt), a liberal political party in Hungary
• Malta Labour Party
• Manitoba Labour Party, a defunct left-wing political party in Manitoba, Canada
• Manitoba Liberal Party, a centrist political party in Manitoba, Canada
• Manx Labour Party, a political party on the Isle of Man
• Melanesian Liberal Party, a political party in Papua New Guinea
• Memel Agricultural Party (German: Memelländische Landwirtschaftspartei), a defunct pro-German political party in the Memel Territory
• Mexican Liberal Party, an anarchist group co-founded by Ricardo Flores Magón in 1905, in opposition to the rule of Porfirio Díaz

• Memory-level parallelism, a computer architecture feature
• Meridian Lossless Packing, a lossless compression codec for audio data
• Micro Leadframe Package, a surface mount integrated circuit package
• Mobile Location Protocol, an application-level protocol for receiving the position of Mobile Stations
• Multilayer perceptron, a class of artificial neural network
• Multilink PPP, a networking technology
• Multilink Procedure, a networking technology

• Master of Legal Practice (M. L. P.), a law degree; a type of Master of Laws
• Mid-level practitioner, a category of health-care providers with less training and more restricted scope of practice than physicians

• Marine Le Pen (born 1968), a French politician
• Mauricio López-Roberts (1873-1940), Spanish noble, diplomat and politician

• Mobile Landing Platform, original name for the Expeditionary Transfer Dock of the United States Navy
• Mobile launcher platform, a steel structure to support the launch vehicles
• Volkswagen Group MLB platform, from German Modularer Längsbaukasten

• Bargam language (ISO 639 language code: mlp), a Papuan language
• Municipal Light Plant, historic building in Columbus, Ohio, US
• Mini-LP (mini-album), a short record album
• My Little Pony, a toy originating in the 1980s which has also spawned multiple TV shows
• /mlp/, the My Little Pony board on 4chan
• Machine-learned interatomic potential