Surname Chemko (Chemko 
, Чемко 
) , worldwide, is a rare last name. The cognomen Chemko is habitual in Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Canada, where it is a very rare surname. In absolute terms, this name is the most popular in Eastern Europe, particularly Belarus, Ukraine, and Russia. Very seldom, Chemko is the forename as well as the last name.