LAC may refer to:

Places

La Crescenta, California La Crescenta-Montrose () is an unincorporated area in Los Angeles County, California, United States. The community is bordered by Glendale, California, Glendale to the south and west, La Cañada Flintridge, California, La Cañada Flintridge to ...

, unincorporated area in Los Angeles County *

Latin America and the Caribbean The term Latin America and the Caribbean (LAC) is an English language, English-language acronym referring to the Latin American and the Caribbean region. The term LAC covers an extensive region, extending from The Bahamas and Mexico to Argentina ...

Latin American and Caribbean Group The Group of Latin America and Caribbean Countries, or GRULAC, is one of the five United Nations Regional Groups composed of 33 Member States from Central and South America, as well as island nations in the Caribbean. Its members compose 17% of ...

, United Nations geoscheme region *

Line of Actual Control The Line of Actual Control (LAC), in the context of the Sino-Indian border dispute, is a notional demarcation lineAnanth KrishnanLine of Actual Control , India-China: the line of actual contest, 13 June 2020: "In contrast, the alignment of ...

, a demarcation line between Indian-controlled and Chinese-controlled territories (1959–present) *

Los Angeles County Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as LA County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individua ...

in California *

Los Angeles, California Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...

Education

Liberal arts college A liberal arts college or liberal arts institution of higher education is a college with an emphasis on Undergraduate education, undergraduate study in the Liberal arts education, liberal arts of humanities and science. Such colleges aim to impart ...

, undergraduate educational institution *

Longburn Adventist College Longburn Adventist College is an integrated co-educational Christian school in New Zealand for years 7 to 13. It is located just west of Palmerston North in the Manawatū District in the small dairy town of Longburn. It is a part of the Sevent ...

, a Seventh-day Adventist school near Palmerston North, in Longburn, New Zealand

Government and military

California State Prison, Los Angeles County California State Prison, Los Angeles County (LAC) is a male-only state prison located in the city of Lancaster, in Los Angeles County, California. The only state prison located in the county, it is also referenced as Los Angeles County State Pr ...

Leading Aircraftman Leading aircraftman (LAC) or leading aircraftwoman (LACW) is an enlisted rank used by some air forces, with origins from the Royal Air Force. The rank is used by air forces of many countries that have historical British influence. Leading air ...

, a rank in some air forces

Organizations

* LAC Group, library services vendor in America * LAC Minerals, a Canadian mining company *

Ladies' Alpine Club The Ladies' Alpine Club was founded in London, England in 1907 and was the first mountaineering club for women. It merged with the Alpine Club of Great Britain in 1975. History In December 1907 a group of ladies who were climbers in the Alps m ...

(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 The Lancashire Aero Club is the oldest established flying club in the United Kingdom, it was founded in 1909 to organise the Blackpool Aviation Week, Britain's first officially recognised air show. Early history * October 1909: The original cl ...

, flying club in the United Kingdom * Legal Aid Commission, organisation providing legal aid related to

Community legal centre A community legal centre (CLC) is the Australian term for an independent not-for-profit organisation providing legal aid, legal aid services, that is, provision of assistance to people who are unable to afford legal representation and access to t ...

s, Australia *

Library and Archives Canada Library and Archives Canada (LAC; ) is the federal institution tasked with acquiring, preserving, and providing accessibility to the documentary heritage of Canada. The national archive and library is the 16th largest library in the world. T ...

, national memory institution preserving documentary heritage about Canadian life * Liga Antituberculosa Colombiana, an organization focused on curing and preventing

tuberculosis Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...

Science and technology

* L2TP Access Concentrator, endpoint of a

Layer 2 Tunneling Protocol In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It uses encryption ('hiding') only for its own control messages (usi ...

tunnel * Laboratoire Aimé-Cotton, French research laboratory *

Linear acetylenic carbon Linear acetylenic carbon (LAC), also known as carbyne or a Linear Carbon Chain (LCC), is an Allotropes of carbon, allotrope of carbon that has the chemical structure as a repeat unit, with alternating Single bond, single and triple bonds. It w ...

, a polymeric carbon chain *

Location area code Mobility management is one of the major functions of a GSM or a UMTS network that allows mobile phones to work. The aim of mobility management is to track where the subscribers are, allowing calls, SMS and other mobile phone services to be deliv ...

, 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 The Lorenz asymmetry coefficient (LAC) is a summary statistic of the Lorenz curve that measures the degree of asymmetry of the curve. The Lorenz curve is used to describe the inequality in the distribution of a quantity (usually income or wealth i ...

, 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

Sports

London Aquatics Centre The London Aquatics Centre is an indoor facility with two swimming pools and a diving (sport), diving pool in Queen Elizabeth Olympic Park in Stratford, London, Stratford, London. The centre, designed by architect Zaha Hadid as one of the main ...

Los Angeles Chargers The Los Angeles Chargers are a professional American football team based in the Greater Los Angeles, Greater Los Angeles area. The Chargers compete in the National Football League (NFL) as a member of the American Football Conference (AFC) AFC W ...

, a National Football League team based in Inglewood, California *

Los Angeles Clippers The Los Angeles Clippers are an American professional basketball team based in the Greater Los Angeles area. The Clippers compete in the National Basketball Association (NBA) as a member of the Pacific Division of the Western Conference. The ...

, a National Basketball Association team based in Inglewood, California *

London Athletic Club London Athletic Club (LAC) is a track and field club based in London, England. It is the oldest independent track and field club in the world and celebrated its first 150 years in 2013.Barker, Philip (2013)"London Athletic club still going stro ...

, oldest independent athletic club in the world

Transport

* LAC, the ICAO operator designator for

Lockheed Corporation The Lockheed Corporation was an American aerospace manufacturer. Lockheed was founded in 1926 and merged in 1995 with Martin Marietta to form Lockheed Martin. Its founder, Allan Lockheed, had earlier founded the similarly named but otherwise-u ...

(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 Cuenca, officially Santa Ana de los Ríos de Cuenca, is an Ecuadorian city, head of the Cuenca Canton, canton of the same name and capital of the Azuay Province, province of Azuay, as well as its largest and most populated city. It is crossed by t ...

Líneas Aéreas Canarias Lineas Aereas Canarias (LAC) was an airline created in 1984 to initially offer connections in the Canary Islands and excursions to Morocco and Madeira. It started operations in 1985 and ceased operations in 1990. History Foundation Lineas Aereas ...

Lockheed Aircraft Company The Lockheed Corporation was an American aerospace manufacturer. Lockheed was founded in 1926 and merged in 1995 with Martin Marietta to form Lockheed Martin. Its founder, Allan Lockheed, had earlier founded the similarly named but otherwise- ...

, American aerospace company * Granada LAC, a BRT system in the city of Granada, Spain * Lancing railway station, station code