Last name Milejko (Milejko 
, Милейко 
) , all over the world, is quite a rare family name. The cognomen Milejko is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Russia, Ukraine, and Belarus. Very seldom, Milejko is the forename as well as the last name.