CYS

CYS or Cys may refer to:

• Cysteine, an amino acid abbreviated Cys
• Cheyenne Regional Airport, Wyoming, United States, IATA and FAA LID airport code
• Cathays railway station, Cardiff, Wales, station code
• California Youth Symphony, a San Francisco Bay Area symphony orchestra for young musicians
• Cyprus Organization for Standardization, the Cyprus national standardization body
• Cys Kurland, footballer who played for the South African national side in 1947

• Cys-la-Commune, a French commune

This disambiguation page lists articles associated with the title CYS.
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