LCN

LCN can refer to:


 * La Coka Nostra, a hiphop music group
 * La Cosa Nostra ("this thing of ours"): Italian or Italian-émigré organized crime syndicates, including:
 * American Mafia
 * Sicilian Mafia
 * Landing Craft Navigation, a type of watercraft used in World War 2 for surveying landing sites for troops from landing craft
 * Law Centres Network, the peak body for law centres in the UK
 * Le Canal Nouvelles, a television channel in Quebec, Canada
 * Lincoln railway station, whose station code is LCN
 * Load Classification Number, also known as the Pavement Classification Number, a measure of the bearing strength of an airport runway
 * Logical channel number (aka virtual channel), channel numbers used on radio and television sets
 * Logical cluster number of a volume or logical drive of a computer
 * London Centre for Nanotechnology, a nanotechnology research institute in London, England
 * Low copy number, a DNA profiling technique
 * Lcn. (× Laeliocatanthe), a hybrid genus of orchids, corresponding to Cattleya × Laelia × Guarianthe
 * Balcanoona Airport, IATA airport code "LCN"