Surname Gienko (Gienko 
, Гиенко 
) , around the globe, is a rare cognomen. The surname Gienko is characteristic of Kazakhstan, where it is a rare surname, Russia, and Belarus, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Russia, Kazakhstan, and the United States. Very seldom, Gienko is the forename as well as the last name.