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Last name Dione (Dion , Dione , ديون ) , worldwide, is a common cognomen. The cognomen Dione is characteristic of Senegal, where it is a common surname, Aland Islands, where it is quite a common surname, and Canada (explore the name in all countries). In absolute terms, it is commonest in Senegal, Canada, and Indonesia. Also, Dione is the forename as well as the last name.