ALC

• A.L.C (Andrea Lieberman Company), a U.S. fashion company
• ALC Publishing, a U.S. manga dojin comics publisher
• Action with Lao Children, a Laotian educational non-profit N.G.O.

• Alternative Learning Center
• American Legend Cooperative, a North American mink fur marketing cooperative
• American Lutheran Church (1930) (1930—1960)
• American Lutheran Church (1960—1987)
• Anindilyakwa Land Council, Groote Archipelago, Australia
• Area Learning Center, Milaca, Minnesota, U.S.
• Asian Law Caucus, U.S. AAPI civil rights and legal aid organization
• Augsburg Lutheran Churches, a U.S. Lutheran denomination

• Alice Lloyd College, Pippa Pases, Kentucky, U.S.
• Andhra Loyola College, Andhra Pradesh, India; a Jesuit higher education college
• Australian Lutheran College, North Adelaide, Australia; a divinity college and seminary

• Atlantic Lottery Corporation, Atlantic Canada
• American Lacrosse Conference, a women's collegiate lacrosse league division
• Atlantic Lacrosse Conference, a U.S. men's collegiate lacrosse league division

• Air logistics center, in the U.S. Air Force
• Army Legal Corps, of the British Army
• Aviation Logistics Center, at U.S. Coast Guard Air Station Elizabeth City

• Asynchronous Layered Coding
• Attributive Concept Language with Complements, a description logic
• Automatic level control, in electronics
• ALC201A, ALC202, etc.; Avance Logic AC'97 audio chipsets

• ALC (automobile), a 1911 British cyclecar model
• Air Lease Corporation, a U.S. aircraft lessor
• Australian Logistics Council, a transport industry association
• Landing Craft Assault, a British W.W.II boat type
• Jaguar Advanced Lightweight Coupe Concept, a 2005 concept car model
• Alicante Airport (IATA: ALC), Valencia, Spain
• Alliance station (Amtrak: ALC), Stark, Ohio, U.S.

• Acetylcarnitine, a biochemical
• Ethyl alcohol, an organic compound ("alc." on beverage labelling)
• Kawésqar language (ISO 639-3: {{code|alc}}), spoken in Chile

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• ALCS (disambiguation)

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