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Cognomen Forno (Forno , فورنو, Furnus ) , in the entire world, is quite a common surname. The cognomen Forno is characteristic of Aland Islands, where it is quite a common surname, Lesotho, where it is quite a rare surname, and Italy. Not in comparison with a country's population, the name is most common in Italy, Brazil, and Argentina. Much less frequently, Forno is the forename as well as the last name.