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