LSP

LSP may refer to:

Governance and politics

 * Left Socialist Party (Belgium), the Belgian section of the "Committee for a Workers' International"
 * Liberal State Party, a former Dutch political party
 * Local strategic partnership, a government-inspired body intended to get local government and other bodies operating in its area working together
 * Louisiana State Penitentiary
 * Louisiana State Police
 * Socialist Party of Latvia, a Latvian political party

Science and technology

 * Landing Ship, Personnel, World War 2 type ship
 * Language for specific purposes, description of a linguistics field
 * Laser shock peening, a surface engineering process used to impart beneficial residual stresses in materials
 * Lightest Supersymmetric Particle, generic name given to the lightest of the additional hypothetical particles found in supersymmetric models
 * Line spectral pairs (or line spectrum pairs), a kind of digital representation of a filter, used in speech and sound compression
 * Linguistic Society of the Philippines
 * Localized surface plasmon, a type of surface plasmon excitation in nanoparticles
 * Lysergic acid 3-pentyl amide, a psychedelic analogue of LSD with slightly lower binding affinity.

Computing

 * Label-switched path, path through an MPLS network
 * Language Server Protocol, a JSON protocol for sending requests to language tools to aid a text editor, e.g., for code refactoring
 * Language Service Provider, an entity offering services related to languages
 * Layered Service Provider, a part of the protocol stack on the Microsoft Windows operating systems
 * Link state packet, packet of information generated by a network router
 * Liskov substitution principle, object-oriented programming principle
 * Logical Standby Process, a system in Oracle Data Guard data-replication

Space

 * Launch Services Program, a NASA program that organizes the launch of spacecraft
 * Launch service provider, a company which launches spacecraft

Other uses

 * The Last Shadow Puppets, a British musical project by Alex Turner, Miles Kane and James Ford
 * Lee Shu Pui Hall, the largest student-hostel in Chung Chi College at the Chinese University of Hong Kong
 * Lego Serious Play, consultant service
 * Logistics service provider, outsourcing of logistics services to a third party or 3PL
 * London School of Philosophy, adult education college in London
 * Lumpy Space Princess, a character on the 2010 animated series Adventure Time
 * Josefa Camejo International Airport IATA code