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Cognomen อ้าว (Ao , Aow , อ้าว) , all around the world, is a widespread surname. The last name อ้าว is characteristic of Macao, where it is a widespread surname, Mozambique, where it is quite a common surname, and China, where it is quite a rare surname. In absolute terms, this name is the most popular in China, India, and Macao. Much less frequently, อ้าว is the forename as well as the last name.