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Surname Rylko (Rylko , Рылько , Рылко ) , all over the world, is quite a rare family name. The surname Rylko is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Poland, and Czechia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Poland, Belarus, and Russia. Likewise, Rylko is the forename as well as the last name.