SCO

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

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 oil, a type of crude oil

.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 639-2 & -3 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, 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"