GYS may refer to:

• Gys van Beek (1919–2015), Dutch resistance member during World War II
• Leda Gys (1892–1957), Italian film actress
• Robert Gys (1901–1977), French art director

• Glycogen synthase
• Great Yorkshire Show
• Guangyuan Panlong Airport, Sichuan, China
• Operation GYS, an Israeli operation conducted during the 1948 Arab–Israeli War

This disambiguation page lists articles associated with the title GYS.
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