OCC

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
 * 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: Observatori de la Comunicació Científica)
 * Francisco de Orellana Airport IATA code
 * OOO Combo Change Series, a series of Kamen Rider OOO action figures