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Cognomen חיון (Hayun , Hayoun , חיון ) , globally, is quite a common surname. The last name חיון is habitual in Israel, where it is quite a common surname, Morocco, where it is quite a rare surname, and Malaysia. Measured by absolute frequency, it is the most numerous in Israel, Morocco, and France. Much less frequently, חיון is the forename as well as the last name.