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Cognomen Porok (Furka , Vorke , Porok ) , worldwide, is quite a rare surname. The surname Porok is habitual in Estonia, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Denmark. Not in comparison with a country's population, the name is most common in Netherlands, the United States, and Estonia. Very seldom, Porok is the forename as well as the last name.