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Cognomen Kouko (كوكو , Kouko , Куко ) , around the globe, is a common family name. The cognomen Kouko is habitual in Northern Africa, particularly Sudan, where it is quite a common surname, Egypt, and Libya, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Northern Africa, particularly Egypt, Sudan, and Algeria. Likewise, Kouko is the forename as well as the last name.