Lac

Lac may refer to:

Places

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

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)

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

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