'''LEM''' may refer to:
* LEM, a musical instrument with the brand name Generalmusic * Lake Erie Monsters (now the Cleveland Monsters), a professional ice hockey team based in Ohio * Lamina emergent mechanism, found in pop-up books * Law of excluded middle, in classical logic * Lay Eucharistic Minister, in the Catholic, Episcopal or Lutheran Churches * Learnable Evolution Model, an evolutionary computation method * LEM domain-containing protein 3, a membrane protein associated with laminopathies * Leyton Midland Road railway station in the United Kingdom, station code LEM * Liquid Elastomer Molding, a gasket technology developed by the Federal-Mogul Corporation * Luís Eduardo Magalhães, Bahia, a city in the state of Bahia, Brazil * Lunar Excursion Module, the original designation of the Apollo Lunar Module * Lymphocyte expansion molecule
==See also== {{canned search|LEM}} * {{Lookfrom|LEM}} * {{intitle|LEM}} * Lem (disambiguation)
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