Family name Cikun (Cikun 
, Цикун 
) , in all the world, is a rare cognomen. The cognomen Cikun is habitual in Ukraine, where it is a rare surname, Belarus, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, this name is the most popular in Ukraine, Russia, and Indonesia. Very seldom, Cikun is the forename as well as the last name.