See also: Appendix:Variations of "cs"
- Initialism of computer science.
- (anatomy) Initialism of coronary sinus.
- (vulgar, slang) Initialism of cocksucker.
- (computer games) Initialism of Counter-Strike: a series of multiplayer first-person shooter video games that began in 1999.
- customer service
- controlled substance
- Child Support
- (baseball) The statistic "Caught Stealing"
- (telecommunications) circuit-switched
- (Britain, law enforcement) Initialism of chief superintendent.
- Chiapas (Mexican state)