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