Last name Milienko (Milienko 
, Милиенко 
) , around the globe, is a rare family name. The cognomen Milienko is characteristic of Kazakhstan, where it is a very rare surname, Russia, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Russia, Kazakhstan, and France. Very seldom, Milienko is the forename as well as the last name.