LMP – Hungary's Green Party (Lehet más a politika), a political party in Hungary formed in 2009 from a civilian initiative
Lampedusa Airport, an airport in Lampedusa, Italy with IATA code LMP
London Metropolitan Police, also known as the Metropolitan Police Service (MPS), the police force responsible for law enforcement within Greater London, excluding the City of London
Music
La Musique Populaire, an American indiepop band
Limb Music Products & Publishing (LMP), an independent record label based in Hamburg, Germany
Lisa Marie Presley, an American singer-songwriter and daughter of Elvis and Priscilla Presley
London Mozart Players, a British classical chamber orchestra based in Croydon, England
Sports
Le Mans Prototype, a type of custom-built race car intended for sports car racing and endurance racing
Liga Mexicana del Pacifico, a Mexican winter baseball league
Science
Larson-Miller parameter, prediction of the effects of time and temperature on materials
Epstein–Barr virus latent membrane protein 1, an EBV protein that regulates its own expression and the expression of human genes
Epstein–Barr virus latent membrane protein 2, an EBV transmembrane protein
Technology
Link Manager Protocol, a protocol for initiating and controlling the link between Bluetooth terminals
Lithium Metal Polymer battery, a type of lithium-ion polymer battery
Lunar Module Pilot, the pilot of Apollo Lunar Module during Apollo program missions
Other uses
Licensed massage practitioner, or Licensed massage therapist
Last menstrual period, see Gestational age, the first day of the menstrual period prior to conceiving, used to calculate expected date of delivery
Last mile provider, provider of the final leg of a telecommunications network terminating at the subscriber's premises
Lighting Management Plan, in the context of resolving light pollution, inter alia
Lemon meringue pie, a dessert consisting of lemon curd and meringue fillings in a shortcrust pastry
"Like My Post", an invitation for readers to request an action by providing single-click feedback on a social website
Locational marginal pricing, also known as nodal pricing, a pricing concept used in some deregulated electricity markets