Sayenko

Sayenko or Saienko (Ukrainian: Саєнко, Russian: Саенко) is a gender-neutral Ukrainian surname.

It may refer to:
 * Aleksandr Sayenko (born 1978), Russian football player
 * Inna Sayenko (born 1982), Ukrainian hammer thrower
 * Mike Sayenko (born 1984), American long-distance runner
 * Oleksandr Saienko (born 1984), Ukrainian businessman and politician
 * Viktor Sayenko, one of Dnepropetrovsk maniacs