COC

COC can refer to:
* Cost of Capital
* The "Call of Cthulhu" role-playing game
* Canadian Olympic Committee - The private, non-profit organization representing Canadian athletes in the International Olympic Committee and the Pan American Games.
* Canadian Opera Company - the Toronto-based opera company
* Center of Concern - "a Catholic organization working in collaboration with ecumenical and interfaith networks to bring a prophetic voice for social and economic justice to a global context."
* Certificate of Compliance, Certificate of Conformity.
* Chain of command - military line of authority and responsibility along which orders are passed.
* Chain of Command - A multiplayer online wargame.
* Children of the Corn - hip hop group composed of Cam'ron, Big L, Bloodshed and Herb McGruff
* Chinese Olympic Committee - represents People's Republic of China in handling international affairs related to the Olympic Movement.
* Chip on chip, an extension of surface-mount technology.
* Church of Christ
* Carnival of Carnage, an album by horrorcore hip-hop duo, the Insane Clown Posse
* Christian Outreach Centre- An international Pentecostal denomination.
* Circle of confusion - the optical term for a blurred spot which is the image of an out-of-focus point source.
*Combined Oral Contraceptive Pill, a medical method of birth control
* COC is the Dutch acronym ("Center for Culture and Recreation") for the earliest homophile organisation, founded in 1946.
* Code of Conduct - Code of conduct. Also used in Internet as Netiquette.
* College of the Canyons - A two-year community college located in Santa Clarita, California.
* City Of Caterpillar - An Emo/Screamo band
* Consensus over Credentials, a Wikipedia principle
* Consortium of Consortia – the organization now known as the International Coalition of Library Consortia
* Corcoran (Amtrak station), California, United States; Amtrak station code COC.
* Corporation of Chennai, the civic agency in the city of Chennai, India.
* Corrosion of Conformity - A heavy metal band from the American South.
* Council of Canadians - a citizen's organization originally founded to oppose the Canada-U.S. Free Trade Agreement
* Croatian Olympic Committee - The non-profit organization representing Croatian athletes in the International Olympic Committee.
* Cup of China, a figure skater competition.
* Cyclic Olefin Copolymer - Chemical name for a plastic engineering resin.
* United States Chamber of Commerce - An American business federation
* Company Owned Car (India)