The three letter abbreviation LCR may stand for:

Molecular biology

• Leucocyanidin reductase, an enzyme in the leucocyanidin biosynthesis pathway
• Ligase chain reaction, a method for DNA amplification similar to the polymerase chain reaction
• Locus Control Region, a phrase used in epigenetics in molecular biology
• Low copy repeats

Organizations

• LifeWay Christian Resources, a Nashville, TN, USA, based Christian publisher
• Ligue Communiste R volutionnaire, a political party in France
• Ligue Communiste R volutionnaire, a political party in Belgium
• Lutheran Churches of the Reformation
• Log Cabin Republicans, a LGBT organization that supports the U.S. Republican Party
• London and Continental Railways, a railway company based in the United Kingdom, owners of the contract to build and operate High Speed 1
• Louis Christen Racing, a company, named after its owner, that manufactures sidecar road racing chassis

Other

• Landing Craft Rubber, an inflatable rubber boat used to carry troops
• Lake County Railroad, a railroad company based in Lakeview, Oregon, United States, owned by the Lake County government and operated by the Modoc Northern Railroad
• LCR circuit
• LCR (dice game), a game using dice marked with the letters L, C and R
• LCR meter
• Lead and copper rule, a regulation issued under the U.S. Safe Drinking Water Act
• Least-cost routing, the process of selecting the path of outbound communications traffic based on cost
• Left/Center/Right, a speaker designation type used in surround sound
• Line Concentration Ratio in a remote concentrator
• Liquidity Coverage Ratio, a global minimum liquidity standard that is part of Basel III
• Loughborough Campus Radio
• Low Chip Rate, one of the two transmission modes of UMTS-TDD 3G standard
• Ruger LCR, a revolver made by the Ruger company
• Team LCR, a motorcycle team currently competing in MotoGP
• Level crossing ratio
• Left, Center, Right.

ca:LCR da:LCR de:LCR es:LCR eu:Liga Komunista Iraultzailea (argipena) fr:LCR (homonymie) it:LCR nl:LCR ja:LCR