CS
- cs – (s) Czech language (ISO 639-1 code)
- Cs – (s) Caesium
- CS – (i) Combat Support – Computer Scientist – (s) Costa Rica (FIPS 10-4 country code) – Serbia and Montenegro (ISO 3166 digram)
- CSA – (i) Canadian Space Agency – Canadian Standards Association – Child Support Agency – Command Staff Advisor – Community-supported agriculture – Confederate States of America – Corps Storage Area – (p) Czech Airlines
- C/S/A – (i) CINC, Service, and Agency
- CSAR – (p) Combat Search and Rescue ("seessar")
- CSC – (i) Closed Spacelike Curve (relativity) – Computer Security Centre
- CSEAL – (i/a) Combat Systems Engineering and Analysis Laboratory ("see-seal")
- CSERIAC – (p) (U.S. DoD) Crew Systems Ergonomics Information Analysis Center
- CSG – (i) Corps Support Group
- CSI – see entry
- CSICOP – (i) Committee for the Scientific Investigation of Claims of the Paranormal (became the Committee for Skeptical Inquiry in 2006)
- CSIP – (i) Commercial Stable Image Platform (AMD)
- CSIS – (p) Canadian Security Intelligence Service ("seessiss") – (i) (U.S.) Center for Strategic & International Studies
- CSK – (s) Czechoslovakia (ISO 3166 trigram; obsolete since 1993)
- CSL – (i) U.K. Central Science Laboratory
- C-SPAN – (i) Cable-Satellite Public Affairs Network
- CSPI – (i) Center for Science in the Public Interest
- CSR – (i) Control Supply Rate
- CSR – (i) Corporate Social Responsibility
- CSRC – (i) Conflict Studies Research Centre
- CSRF – (i) Cross-Site Request Forgery
- CSS – (i) Cascading Style Sheets – Catalina Sky Survey – Central Security Service – Combat Service Support – Confederate States Ship – Content-scrambling system – Cross-site scripting
- CSSCS – (i) Combat Service Support Control System
- CST – (i) Central Standard Time (UTC−6 hours)
Read more about this topic: List Of Acronyms And Initialisms: C