LSP may refer to:

Governance and politics

  • 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