OCC may refer to:
American colleges Oakland Community College, Michigan Oakton Community College, Illinois Ocean County College, New Jersey Onondaga Community College, New York Orange Coast College, California Ozark Christian College, Missouri
Business and government Office of the Comptroller of the Currency, a bureau of the U.S. Treasury Department Office of Child Care, a part of the U.S. Department of Health and Human Services Oklahoma Corporation Commission, public utilities commission of Oklahoma Online Compliance Consortium, a regulatory compliance forum for top law firms Opportunity cost of capital in finance Optical Cable Corporation, a manufacturer of fiber optic and copper datacom cabling and connectivity products Options Clearing Corporation, a clearing organization Orange County Choppers, a custom motorcycle manufacturer Organic composition of capital, a theory in Marxian economics Osborne Computer Corporation, an American computer company
Computing Occasionally connected computing Optimistic concurrency control On-chip controller, a power and thermal monitoring component of the IBM's POWER8 processor
Sports OC Châteaudun, French association football club Oceania Club Championship, an international club competition organised by the Oceania Football Confederation Oceania Cycling Confederation, Oceania's branch of the Union Cycliste Internationale Ohio Capital Conference Ohio Cardinal Conference Optimists Cricket Club of central Luxembourg Oregon Collegiate Conference, a defunct American college athletics conference. Ottawa Curling Club of Canada
Other uses Ocean Cruising Club, a UK-based organisation for long-distance yacht cruisers Officer Candidates Course, a United States Marine Corps training program Official Charts Company, a UK-based company compiling various official UK music record charts Ohno continuous casting, a special process to produce oxygen-free copper Old Corrugated Cardboard, a fiber grade separated in a materials recovery facility Onnuri Community Church, a South Korean megachurch Ontario Crafts Council, a Canadian nonprofit arts service organization based in Toronto Open Cloud Consortium, a non-profit organization Operation Christmas Child, an outreach program run by Samaritan's Purse Operations Control Center Orange County, California Oregon Convention Center, a convention center in Portland, Oregon The Oxford Companion to Chess Science Communication Observatory (Catalan: ) Francisco de Orellana Airport IATA code OOO Combo Change Series, a series of Kamen Rider OOO action figures