Korniyenko or Kornienko (Ukrainian: Корнієнко Russian: Корниенко) is a Ukrainian-language surname. It is a patronymic surname derived from the first name Korniy (Корній).

Variants: Belarusian: Karneyenka (Карнеенка), Russian: Корнеенко [Korneyenko/Korneenko].

• Alexei Kornienko (born 1954), Russian-born Austrian conductor and pianist
• Gennady Kornienko, director of the Russian Federal Penitentiary Service
• Georgy Korniyenko (1925–2006), Soviet diplomat
• Maksym Korniyenko (born 1987), Ukrainian basketball player
• Mikhail Kornienko (born 1960), Russian cosmonaut
• Nelly Korniyenko (1938–2019), Soviet actress
• Oleg Kornienko (born 1973), Russian and Kazakhstani footballer
• Oleksandr Kornienko (born 1984), Ukrainian politician
• Valery Kornienko (born 1961), Soviet pair skater
• Valentyn Kornienko (1939–2011), Ukrainian translator
• Viktor Korniyenko (born 1999), Ukrainian footballer

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