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Cognomen Йиао (Jiao , Yiao , Йиао ) , all around the world, is a widespread surname. The cognomen Йиао is characteristic of China, where it is quite a common surname, Cayman Islands, and Malaysia. Measured by absolute frequency, this name is the most popular in China, Malaysia, and the United States. Much less frequently, Йиао is the forename as well as the last name.