LCS

The term LCS may refer to:

Schools and organizations

London Controlling Section, a World War II secret organisation
Lincoln Christian College and Seminary
Lakefield College School an independent school in Lakefield, Ontario, Canada
Lebanese Community School in Lagos, Nigeria
Littlehampton Community School, large secondary school in West Sussex, England
London Corresponding Society, a radical British society founded in 1792
Lutheran Confessional Synod, type of church
Lockerby Composite School, a Canadian Secondary School in Ontario
Laboratory for Computer Science, also known as Project MAC, at the Massachusetts Institute of Technology

Longest common subsequence problem in computer science
Laser Camera System, a type of scanner used on the Space Shuttle
Live Communications Server, Live Communications Server 2005 or Microsoft Office Communications Server , a secure Session Initiation Protocol based instant messaging and VoIP server product

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

Learning classifier system, machine learning system
Littoral combat ship, a proposal for a new type of United States warship
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