LAE

LAE may refer to:
 * Local area emergency, by Specific Area Message Encoding
 * Least absolute errors, an alternate name for least absolute deviations in statistics
 * Loterías y Apuestas del Estado, Spanish lottery
 * Popular Unity (Greece) (Λαϊκή Ενότητα, Laïkí Enótita), a left-wing political party in Greece
 * Lae, the capital of Morobe Province and the second-largest city in Papua New Guinea
 * Lae Atoll, atoll in the Marshall Islands
 * HMAS Lae, two Australian warships
 * LAE-32 (D-Lysergic acid ethylamide), a derivative of ergine
 * Lae language, also known as Aribwatsa, an extinct member of the Busu subgroup of Lower Markham languages in the area of Lae, Morobe Province, Papua New Guinea
 * Left atrial enlargement, enlargement of the left atrium (LA) of the heart and a form of cardiomegaly