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Cognomen Kadio (Kadio , Кадио) , all around the world, is quite a common family name. The surname Kadio is habitual in Sub-Saharan Africa, particularly Ivory Coast, where it is quite a common surname, Burkina Faso, where it is quite a rare surname, and Senegal. Measured by absolute frequency, it most frequently occurs in Sub-Saharan Africa, particularly Ivory Coast, Burkina Faso, and Tanzania. Very seldom, Kadio is the forename as well as the last name.