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Surname Коки (Koki , Kouki , Coky ) , worldwide, is a common cognomen. The cognomen Коки is characteristic of Northern Africa, particularly Tunisia, where it is a common surname, Algeria, where it is quite a common surname, and Morocco. Measured by absolute frequency, it is commonest in Northern Africa, particularly Algeria, Tunisia, and Egypt. Likewise, Коки is the forename as well as the last name.