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Cognomen Хиеу (Hieu , Khieu , Xieu ) , all over the world, is a common surname. The surname Хиеу is habitual in Vietnam, where it is quite a common surname, Macao, where it is quite a rare surname, and Malaysia. In absolute terms, the name is most common in Vietnam, Malaysia, and France. More frequently, Хиеу is the forename as well as the last name.