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Cognomen Tymoschuk (Тимощук , Tymoschuk , Тимосчук ) , all over the world, is a common family name. The cognomen Tymoschuk is characteristic of Eastern Europe, particularly Ukraine, where it is quite a common surname, Russia, where it is quite a rare surname, and Belarus. Not in comparison with a country's population, it most frequently occurs in Ukraine, Russia, and Kazakhstan.