SCO or sco may refer to:

Businesses and organizations

* Santa Cruz Operation, a company founded in 1979 that existed under that name until 2001 * SCO Group, a software company formerly called Caldera International and Caldera Systems ** SCO OpenServer (formerly SCO Unix), an operating system made by the above companies * Shanghai Cooperation Organisation, a Eurasian inter-governmental political, economic, and security organization * Society of Canadian Ornithologists * Southern College of Optometry in Memphis, Tennessee * Special Communications Organization, a Pakistani telecommunication company * The ICAO airline code for Scoot

Orchestras

* Scottish Chamber Orchestra * Singapore Chinese Orchestra

Science and technology

* Scorpius, abbreviation for the constellation * Self-checkout machines, automated alternatives to traditional cashier-staffed checkout at retailers * Single cell oil, a type of oil produced by a microbe * Synchronous Connection Oriented protocol, used for audio devices in the Bluetooth protocol stack *

Synthetic crude Synthetic crude is the output from a bitumen/extra heavy oil upgrader facility used in connection with oil sand production. It may also refer to shale oil, an output from an oil shale pyrolysis. The properties of the synthetic crude depend on the ...

oil, a type of crude oil

Other uses

* .sco, a formerly proposed top-level domain for Scotland * Aktau Airport in Kazakhstan (IATA code SCO) * Angers SCO, a French football club * Scots language (ISO 639 alpha-3 code: sco) * Selected Characteristics of Occupations, a companion volume to the U.S. Department of Labor's Dictionary of Occupational Titles *

Single Cell Orchestra Single Cell Orchestra is the performing name of Miguel Fierro (born Miguel Angelo Fierro), a San Francisco-born musician who has worked for many years in electronic music and techno music, techno. His first successful single was "Transmit Liberation ...

, stage name of musician Miguel Fierro * Sports teams representing Scotland, by country code * Railway service code for South Coast Line, New South Wales, Australia * Syllabus, or Standard Course Outline * United States Office of Special Counsel (disambiguation), various government offices referred to as the "Special Counsel's Office" {{disambiguation