LCE may refer to

• Landing Craft, Emergency repairs, a World War II landing craft
• Golosón International Airport, La Ceiba, Honduras (IATA Airport code LCE)
• Leaving Certificate Examination, for school leavers in Ireland
• LCE (automobile), an automobile manufactured in the 1910s
• Life Cycle Engineering, a methodology for assessing environmental impact.
• Lithium Carbonate Equivalent, a term used in the lithium industry for the first commonly traded Lithium intermediate in the value chain
• Load Carrying Equipment, soldier's webbing such as MOLLE and PLCE
• Loews Cineplex Entertainment, a cinema chain in the United States which merged with AMC Theatres
• Logistics Combat Element, responsible for providing logistical support for United States Marine Corps MAGTFs
• London Commodity Exchange, which merged into LIFFE
• Low-carbon economy, an economy which has a minimal output of carbon dioxide emissions into the biosphere
• Lyapunov characteristic exponent, a measure of the rate of separation of infinitesimally close trajectories in a dynamical system.
• Lycée Classique d'Echternach, a school at Echternach, Luxembourg
• Choriolysin L, an enzyme