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Last name Porton (Porton , Портон ) , throughout the world, is quite a rare surname. The family name Porton is habitual in Philippines, where it is quite a rare surname, Belgium, where it is a rare surname, and Netherlands. Not in comparison with a country's population, the name is most common in Philippines, Brazil, and the United Kingdom. Much less frequently, Porton is the forename as well as the last name.