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Family name Ратко (Ratko
, Ратко
) , worldwide, is quite a rare surname. The last name Ратко is characteristic of Southern Europe, particularly North Macedonia, where it is quite a common surname, Montenegro, where it is quite a rare surname, and Serbia. Not in comparison with a country's population, the name is most common in North Macedonia, Serbia, and Russia. More frequently, Ратко is the forename as well as the last name.