LCS

The term LCS may refer to:

Schools and organizations

Lake Country School a montessori school in Minneapolis, Minnesota
Lakefield College School an independent school in Lakefield, Ontario, Canada
Language Creation Society, a nonprofit for people who make conlangs
Lebanese Community School in Lagos, Nigeria
Lincoln Christian College and Seminary
Lincoln Community School in Accra, Ghana
Littlehampton Community School, large secondary school in West Sussex, England
Littleover Community School in Derby, England
[[Lockerby Composite school Canadian Secondary School in Ontario
London Controlling Section, a World War II secret organisation
London Corresponding Society, a radical British society founded in 1792
Lutheran Confessional Synod, type of church
Lynden Christian Schools
Project MAC (Laboratory for Computer Science) at the Massachusetts Institute of Technology

Laser Camera System, a type of scanner used on the Space Shuttle
Learning classifier system, machine learning system
Liquid cooling system, a computer cooling system designed to use a liquid, similar to a car radiator it reduces noise and improves cooling, a popular alternative of using loud fans
Live Communications Server, Live Communications Server 2005 or Microsoft Office Communications Server, a secure Session Initiation Protocol based instant messaging and VoIP server product
Longest common substring problem in computer science, the longest shared sequence of consecutive characters
Longest common subsequence problem in computer science, the longest shared sequence of not necessarily consecutive characters
Liquid Crystal Shutter (3D glasses)

Grand Theft Auto: Liberty City Stories, a game for the PlayStation Portable and PlayStation 2
League Championship Series, a round of playoffs in Major League Baseball
Last Comic Standing, an NBC reality program that premiered in 2003
Liberal Crime Squad, an ASCII based game by Bay 12

Landing Craft Support, amphibious landing support ship, from World War II
LCS, a psychology credential for "Licensed Clinical Social Worker". See List of credentials in psychology
Littoral Combat Ship, a new type of United States warship
An acronym for "Loving, Caring, and Sharing". See Precious Moments
An acronym for "Lying, Cheating, and Stealing", basis for white-collar crime
An acronym for "Local Comic Shop".