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Cognomen Iban (Iban , Ibán , イバン ) , across the world, is quite a common family name. The last name Iban is habitual in Aland Islands, where it is quite a common surname, Spain, where it is quite a rare surname, and Honduras. Not in comparison with a country's population, it is the most numerous in Spain, Indonesia, and Mexico. Also, Iban is the forename as well as the last name.