Korniyenko or Kornienko (Ukrainian: Корнієнко Russian: Корниенко) is a Ukrainian-language surname. It is a patronymic surname derived from the first name Korniy (Корній).
The surname may refer to:
Alexei Kornienko (born 1954), Austrian conductor and pianist of Russian descent
Gennady Kornienko, director of the Russian Federal Penitentiary Service
Georgy Korniyenko (1925-2006), Soviet diplomat of the Cold War era
Mikhail Kornienko (born 1960), Russian cosmonaut totaling 510 days in space
Oleg Kornienko (born 1973), Russian and Kazakhstani footballer
Valery Kornienko (born 1961), former Soviet pair figure skater
