Sedykh or Sedyh is a gender-neutral Slavic surname. It may refer to

• Alexia Sedykh (born 1993), French hammer thrower
• Anatoli Sedykh (born 1970), Russian association football player
• Natalya Sedykh (born 1948), Russian figure skater, ballet dancer, and film actor
• Yuriy Sedykh (born 1955), Soviet hammer thrower, father of Alexia

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