LCG may refer to:

Arts and entertainment The League of Crafty Guitarists, a performance ensemble Living Card Game, a variant of collectible card game

Businesses and organisations LCG Entertainment, Inc., the legal name of Telltale Games (2018–present) Lebanese Communication Group, parent company of Al Manar Living Church of God, a U.S. church London Computer Group, now the British Computer Society Libyan Coast Guard, a coast guard in the Mediterranean Sea

Places A Coruña Airport, Spain (IATA code: LCG) Lochgelly railway station, Scotland (GBR code: LCG) Lord's Cricket Ground, a stadium in London, England

Science, technology and mathematics Landing Craft Gun, a craft adapted to carry guns in amphibious operations LHC Computing Grid, a computing project for the Large Hadron Collider Linear congruential generator, in mathematics, a type of pseudorandom number generator algorithm Liquid Cooling Garment, a component of space suits London Computer Group, now the British Computer Society