OC

Oc, OC or O.C. may refer to:

Arts and entertainment

 * The O.C., an American television show set in Orange County, California
 * The O.C. (professional wrestling), a professional wrestling stable in WWE

Brands, businesses, and organizations

 * OC Transpo, a public transit company in Ottawa and Carleton in Ontario, Canada
 * Organisation Consul, a former terrorist organization active in Germany from 1920 to 1922
 * Oregon Crusaders Drum and Bugle Corps, a Drum Corps International group commonly abbreviated as "OC"
 * Ornithological Council
 * Owens Corning, NYSE ticker symbol
 * Oxi Clean, a cleaning product
 * Orbis Communications, a former television distribution company
 * PGA Express (IATA code "OC" 2001–2015)
 * Air California (IATA Code "OC" 1967–1987)

Education

 * Oaklands College, a further education in central Hertfordshire, UK
 * Oakwood College, a college in northern Alabama, USA, affiliated with the Seventh-day Adventist Church
 * Oberlin College, a liberal arts college in Ohio
 * Oklahoma Christian University
 * Old Carthusian, one who attended Charterhouse School
 * Old Colchestrian, one who attended Colchester Royal Grammar School
 * Old Chigwellian, one who attended Chigwell School
 * Orewa College, a college in the North Island, New Zealand

Places

 * Oak Cliff, a community in Dallas, Texas
 * Oakland–Alameda County Coliseum, a stadium in Oakland, California and the home of the Oakland Raiders
 * Oakland County, Michigan
 * Ocean City, Maryland
 * Ocean City, New Jersey
 * Ocean County, New Jersey
 * Oceanside, California
 * Oconee County, Georgia
 * Oconee County, South Carolina
 * Oklahoma City, Oklahoma
 * Old Colwyn, Wales
 * Osceola, Indiana
 * Orange County, California
 * Orange County, Florida
 * Orange County, Indiana
 * Orange County, New York
 * Orange County, North Carolina
 * Orange County, Texas
 * Orange County, Vermont
 * Orange County, Virginia
 * Oregon City, Oregon
 * Ottawa—Carleton (federal electoral district), a federal electoral district in Ontario, Canada

Roles and titles

 * Officer of the Order of Canada, post-nominal letters for a grade within the Canadian order
 * Offensive coordinator, a coaching position in American and Canadian football
 * Officer candidate
 * Officer in charge (police)
 * Officer commanding, in military use

Technology

 * Oleoresin capsaicin or oleoresin capsicum, the active ingredient in pepper spray and OC gas
 * OC spray, also known as pepper spray
 * Open collector, electrical interface. Used in data communication
 * openCanvas, a raster graphics software
 * Optical Carrier levels in the SONET fiber-optic network specification
 * Oral contraceptive, usually referring to the combined oral contraceptive pill
 * Organ-on-a-chip, microfluidic device that simulates whole physiological and mechanical organ responses
 * Overclocking, the process of forcing a computer component to run at a higher clock rate than it was designed for
 * Overcurrent, an excessive value of electric current

Languages

 * Occitan language (ISO 639 alpha-2 )
 * Old Chinese, the earliest attested stage of the Chinese language

Other uses

 * o.c. or op. cit., opere citato
 * O.C. (rapper) (born 1971), American rapper
 * Offering circular, in finance, for a bond offering
 * Order of Carmelites, a Roman Catholic order
 * Organized crime, in law
 * On-center, in construction, indicating that the distance quoted is between the centers of neighboring wall studs, joists, or other members
 * Original content, original character, or original contribution, used to assert one's authorship of a given subject matter
 * Outrigger canoe
 * Other Caste or Open Category, a caste designation used in governmental forms in India, usually referring to Forward Castes