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Surname Semko (Semko
, Семко
) , around the world, is quite a common cognomen. The last name Semko is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Slovakia, and Belarus. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Belarus. Much less frequently, Semko is the forename as well as the last name.