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Cognomen קאריו (Kario , Cariou , קאריו ) , across the world, is quite a common surname. The last name קאריו is habitual in France, where it is quite a rare surname, Botswana, and Finland. Not in comparison with a country's population, it is the most numerous in France, Indonesia, and Kenya. Much less frequently, קאריו is the forename as well as the last name.