KCS

KCS may refer to:

Schools

• Kanawha County Schools, West Virginia
• Kennet School, a state school in south east England
• Kihei Charter School, in Kihei, Maui, Hawaii
• King's College School, an independent day school in south west London, England
• King's College School, a day school in Madrid, Spain operated by King's Group
• Kingsford Community School, an east London secondary school

Science and technology

• Keratoconjunctivitis sicca
• Killed carbon steel
• kilocycles per second, another name for kilohertz
• Kansas City standard, a standard for encoding binary data on tape used by many early microcomputers
• Knowledge-centered support, a service delivery method
• Keyboard Controller Style, an interface often used in the Intelligent Platform Management Interface architecture
• Korean Chemical Society
• Very-long-chain 3-oxoacyl-CoA synthase, an enzyme

Other

• Czechoslovak koruna, a unit of currency abbreviated Kcs
• Clinical Centre of Serbia, a medical center in Serbia, third largest in the world
• Kansas City Southern Railway, an American railroad
  • Kansas City Southern (company), its parent company from 1887 to 2023
• KCSF, formerly KCS radio station
• King's Colour Squadron, the unit of the Royal Air Force that safeguards the King's Colour