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Cognomen Petrina (Petrina , Петрина ) , worldwide, is quite a common family name. The family name Petrina is characteristic of Namibia, where it is quite a common surname, Croatia, where it is quite a rare surname, and Bosnia and Herzegovina. Not in comparison with a country's population, this name is the most popular in Russia, Ukraine, and Indonesia. Likewise, Petrina is the forename as well as the last name.