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Cognomen Petrik (Petrik , Петрик , Петрік ) , in the entire world, is a common last name. The cognomen Petrik is characteristic of Eastern Europe, particularly Slovakia, where it is quite a common surname, Czechia, and Ukraine (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Ukraine, Slovakia, and Russia. Much less frequently, Petrik is the forename as well as the last name.