Lac

Lac may refer to:

Africa

 * Lac Region, a district in Chad
 * Lac Prefecture, a district in Chad

America

 * Rivière du Lac, a tributary of the Montmorency River, in Capitale-Nationale, Quebec, Canada

Europe

 * Laç, a city in Albania
 * Lac, a village in Voloiac Commune, Mehedinţi County, Romania
 * Lac district, a district in the canton of Fribourg, Switzerland
 * Lancing railway station, a railway station in Sussex, England (station code: LAC)

Elsewhere

 * Lac, a standard astronomical constellation abbreviation of Lacerta
 * Latin America and the Caribbean or LAC, a regional definition by the United Nations

Other uses

 * Lac (resin), a resinous substance produced by insects
 * Shellac, the processed form of this resin
 * Lac, French for lake (body of water)
 * lác, an element in Anglo-Saxon names meaning "fight, play"
 * Lac, a character in Arthurian romance, father of Erec
 * LAC, the ICAO operator designator for Lockheed Corporation (Lockheed Aircraft Corporation), United States
 * L.Ac., Licensed Acupuncturist, see Regulation of acupuncture
 * Lac operon, abbreviated Lac, operon controlling the metabolism of lactose in bacteria such as E. coli
 * Lac Viet, the ancient people of northern Vietnam, also called Lạc in Vietnamese and Luòyuè in Chinese
 * Lakh, or Lac, a unit in the South Asian numbering system equal to one hundred thousand (100,000)
 * An abbreviation for the Los Angeles Chargers, a professional football team
 * An abbreviation for the Los Angeles Clippers, a professional basketball team
 * Leading aircraftman, a rank in the United Kingdom and many Commonwealth air forces