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Family name Popowicz (Popowicz , Попович , Поповіч ) , in the world, is a common last name. The cognomen Popowicz is characteristic of Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Russia. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Poland. Much less frequently, Popowicz is the forename as well as the last name.