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Cognomen Yayo (Yayo , Avia , 亚约 ) , globally, is a common surname. The cognomen Yayo is characteristic of Mexico, where it is quite a common surname, Namibia, where it is quite a rare surname, and Ivory Coast. Not in comparison with a country's population, the name is most common in Mexico, Indonesia, and Ethiopia. Likewise, Yayo is the forename as well as the last name.