CWC may refer to:
Legal Chemical Weapons Convention, a 1997 international treaty prohibiting chemical weapons
Media California Writers Club Crime Writers of Canada
Organizations Businesses Cabot Watch Company, a British military supplier Central Warehousing Corporation, an Indian government-owned corporation Cable & Wireless Communications, a British telecommunications company Cuyamaca Water Company, a former water company in California, U.S.
Colleges and universities Central Wyoming College, Riverton, Wyoming, U.S. City of Westminster College, London, UK Colorado Women's College, Colorado, U.S. Columbia Water Center, a research institute in New York, U.S. Clongowes Wood College, Kildare, Ireland
Political organizations Ceylon Workers' Congress, a Sri Lankan political party Clyde Workers' Committee, a Scottish workers' organisation during World War I Congress Working Committee, the central decision-making body of the Indian National Congress CrimethInc., an anarchist group
Other organizations Chernivtsi International Airport, Ukraine, IATA code CWC Kickapoo Downtown Airport, Wichita Falls, Texas, U.S., FAA LID: CWC Concerned for Working Children, an India-based non-profit organization CWC Group, energy trading company Co-existing with Coyotes, a Stanley Park Ecology Society public education program
Science, technology and mathematics CWC mode, a type of encryption Cwc, cold subtropical highland climate in the Köppen climate classification
Sport Camsur Watersports Complex, Camarines Sur, Philippines Capitol Wrestling Corporation, a former American professional wrestling body, now known as WWE Chess World Cup, a number of different chess tournaments
Collegiate World Championship, a pickleball competition held in the United States Cricket World Cup, an international cricket championship Cruiserweight Classic, a professional wrestling tournament FIFA Club World Cup, an intercontinental club football competition UEFA Cup Winners' Cup, a defunct UEFA football tournament
Other uses Cardigan Welsh Corgi, a dog breed Corded Ware culture, a broad archaeological horizon of Europe between c. 2900 BCE – circa 2350 BCE