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Cognomen Ahmadou (Ahmadou , Амаду , Ахмаду ) , around the world, is a common last name. The family name Ahmadou is habitual in Sub-Saharan Africa, particularly Cameroon, where it is quite a common surname, Senegal, where it is quite a rare surname, and Gabon. Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Cameroon, Senegal, and Mali. More frequently, Ahmadou is the forename as well as the last name.