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Surname Ščerba (Щерба , Ščerba , Шчерба ) , worldwide, is a common last name. The cognomen Ščerba is characteristic of Belarus, where it is quite a common surname, Ukraine, and Kyrgyzstan, where it is quite a rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Ukraine, Russia, and Belarus. Much less frequently, Ščerba is the forename as well as the last name.