Korniyenko or Kornienko ( ) 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].

People 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

See also