LAC

LAC may refer to:

Places

La Crescenta, California, unincorporated area in Los Angeles County
Latin America and the Caribbean
Latin American and Caribbean Group, United Nations geoscheme region
Line of Actual Control, a demarcation line between Indian-controlled and Chinese-controlled territories (1959–present)
Los Angeles County in California
Los Angeles, California

Liberal arts college, undergraduate educational institution
Longburn Adventist College, a Seventh-day Adventist school near Palmerston North, in Longburn, New Zealand

LAC Group, library services vendor in America
LAC Minerals, a Canadian mining company
Ladies' Alpine Club (1907–1975), a club for women climbers, based in London, merged in 1975 with the Alpine Club
Lake Avenue Church, Pasadena Ca.
Lancashire Aero Club, flying club in the United Kingdom
Legal Aid Commission, organisation providing legal aid related to Community legal centres, Australia
Library and Archives Canada, national memory institution preserving documentary heritage about Canadian life
Liga Antituberculosa Colombiana, an organization focused on curing and preventing tuberculosis

L2TP Access Concentrator, endpoint of a Layer 2 Tunneling Protocol tunnel
Laboratoire Aimé-Cotton, French research laboratory
Linear acetylenic carbon, a polymeric carbon chain
Location Area Code, a unique 16-digit fixed length location area identity code broadcast by a "base transceiver station" in GSM public land mobile network, that identifies a phone number's location area
Lorenz asymmetry coefficient, a statistic used in the analysis of wealth or income inequality
lac operon, a DNA operon relating to the metabolism of lactose found in some bacteria

London Aquatics Centre
Los Angeles Chargers, a National Football League team based in Carson, California
Los Angeles Clippers, a National Basketball Association team based in Los Angeles

LAC, the ICAO operator designator for Lockheed Corporation (Lockheed Aircraft Corporation), United States
Lignes Aériennes Congolaises (defunct airline of the Democratic Republic of the Congo)
Linea Aerea Cuencana, a regional airline operating out of Cuenca, Ecuador
Líneas Aéreas Canarias
Lockheed Aircraft Company, American aerospace company
Granada LAC, a BRT system in the city of Granada, Spain
Lancing railway station, station code