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Cognomen Ayaba (Yaba , Ayaba ) , throughout the world, is a common surname. The family name Ayaba is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a common surname, Gabon, where it is quite a rare surname, and Cameroon. Not in comparison with a country's population, it most frequently occurs in the Democratic Republic of the Congo, Ethiopia, and Japan. Also, Ayaba is the forename as well as the last name.