CS

CS, Cs or cs may refer to:


 * Coptic Society or CS, a Christian fellowship
 * CS gas, a riot control agent
 * Hungarian cs, a digraph in the Hungarian alphabet
 * Crédit Suisse, a Swiss financial services company
 * CinemaScope, a widescreen motion picture format

In computing:
 * Cable select, an ATA device setting for automatic master/slave configuration
 * Cerulean Studios LLC, creators of the Trillian chat client
 * ChanServ, an IRC network service
 * Chip select, a control line in digital electronics
 * Community Server, a community collaboration software platform
 * Computer science
 * Corporate Services Rental software solutions for Windows - designed for the Equipment Rental and Oilfield Rental industries.
 * Counter-Strike, a popular First Person Shooter PC game

In geography:
 * Caraş-Severin, a county in Romania
 * Costa Rica's FIPS 10-4 and obsolete NATO digram country code
 * Czech language's ISO 639-1 language code
 * Czechoslovakia's former ISO 3166-1 country code and former international license plate code till 1993
 * Serbia and Montenegro's former ISO 3166-1 country code till 2006

In science:
 * Caesium or Cs, a chemical element
 * Caesarean section, a form of childbirth
 * Clinical Skills examination for step II of the USMLE
 * Cockayne syndrome
 * Counter-scanning
 * Conditioned stimulus in classical conditioning
 * Convergence Sublayer (networking)

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