Logistics service provider

Lunar Solar Power

Liberale Staatspartij, a former Dutch political party

Linux Shell Programming

Layered service provider

Logical Standby Process in Oracle Data Guard data-replication

Local Strategic Partnership, a government-inspired body intended to get local government and other bodies operating in its area working together

Lightest supersymmetric particle

Language for specific purposes, as in LSP dictionary

Liskov substitution principle in object-oriented programming

Linkse Socialistische Partij, the Belgian section of the CWI

Lee Shu Pui Hall, the largest student-hostel in Chung Chi College at the Chinese University of Hong Kong

Label switched path

Link state packet

Line spectral pairs (or line spectrum pairs), a kind of digital representation of a filter, used in speech and sound compression because of its robustness when highly quantized. Some discussion in Linear predictive coding

Ling-Standard Products, a fictional megacorporation