OCC

OCC may refer to:

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American colleges

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

Occasionally connected computing
Optimistic concurrency control
On-chip controller, a power and thermal monitoring component of the IBM's POWER8 processor

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

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: {{#invoke:Lang|lang}})
Francisco de Orellana Airport IATA code
OOO Combo Change Series, a series of Kamen Rider OOO action figures