CS, C-S, C.S., Cs, cs, or cs. may refer to:

Job titles

* Chief Secretary (Hong Kong) * Chief superintendent, a rank in the British and several other police forces * Company secretary, a senior position in a private sector company or public sector organisation * Culinary specialist (United States Navy), Culinary Specialist, a US Navy occupational rating

Language

* Czech language (ISO 639-1 language code) * Hungarian cs, a digraph in the Hungarian alphabet

Organizations

* Christian Social Party (Austria), a major conservative political party in the Cisleithania, part of Austria-Hungary, and in the First Republic of Austria * Citizens (Spanish political party), a post-nationalist political party in Spain * Congregation of the Missionaries of St. Charles, a Catholic religious congregation, also called ''Scalabrinians'' * Confederate States of America, an unrecognized confederation of secessionist North American slave states existing from 1861 to 1865

Companies

* Colorado and Southern Railway, a railroad company in the western United States * Comlux Aruba NV (IATA airline code: CS) * Copenhagen Suborbitals, a Danish non-profit rocket group working on the HEAT1X-TYCHO BRAHE rocket * CouchSurfing, a hospitality service * Credit Suisse, a Swiss financial services company

Places

* Cannon Street station, London, UK, abbreviated CS in UK railway slang * Czechoslovakia (former ISO 3166-1 country code) * Serbia and Montenegro (former ISO 3166-1 country code)

Science and technology

Biology and medicine

* Cardiogenic shock, a medical emergency where heart fails to pump properly to push blood forward. * Caesarean section, a surgical procedure to deliver one or more babies, or, rarely, to remove a dead fetus * Cockayne syndrome, a rare autosomal recessive, congenital disorder * Conditioned stimulus, in the psychological procedure of classical conditioning * Corticosteroids, a class of hormones produced in vertebrates, and their synthetic analogues * Cowden syndrome, a rare autosomal dominant inherited disorder * (-)-camphene synthase, an enzyme * CS (gene), which encodes the enzyme citrate synthase

Chemistry

* Caesium or Cesium, symbol Cs, a chemical symbol * Carbon monosulfide, chemical formula CS

Computing

* Computer science, the scientific and practical approach to computation and its applications * CS register, or code segment register, in X86 computer architecture * Cable select, AT Attachment#Cable select, an ATA device setting for automatic master/slave configuration * Checkstyle, a Java static code analysis tool * Chip select, a control line in digital electronics * ChanServ, an IRC network service * Construction Set, a program for creating or editing PC games (i.e. The Elder Scrolls Construction Set) * ''Adobe Creative Suite'', a design and development software suite by Adobe Systems *C Sharp (programming language), C#, a general-purpose, multi-paradigm programming language.

Mathematics

* cs (elliptic function), one of Jacobi's elliptic functions

Other uses in science and technology

* Carbon steel * Cirrostratus cloud * Citizen science * Compressed sensing, a signal processing technique for reconstructing a signal using underdetermined linear systems * Control segment, part of the Global Positioning System#Structure, structure of the Global Positioning System * Counter-scanning, a scanning method that allows correcting raster distortions * cS, another form for cSt, for centistokes, a unit of viscosity * CS gas, a riot control agent

Other uses

* Communication Skills * Controlled substance, generally a drug or chemical whose manufacture, possession, or use is regulated by a government * Cable Ship, in civilian ship names * Calgary Stampede, a rodeo * Caught stealing, a statistic in baseball * Chhatrapati Shivaji, c. 1627/1630 – 1680), Indian warrior king and member of the Bhonsle Maratha clan * Christian Science, a religion * ''Cities: Skylines'', 2015 city-building simulation video game * Coke Studio (disambiguation), ''Coke Studio'' (disambiguation), several musical television shows * ''Counter-Strike'', a series of video game first released as a 1999 modification for ''Half-Life'' * ''Cum Suis'' (Latin: "and associates"); see List of Latin phrases * Customer service, the provision of service to customers before, during and after a purchase and sale * Airbus A220, Bombardier-Airbus C-Series, small jetliner * Ferrari 360#challenge stradale, Ferrari 360 Challenge Stradale