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Cognomen Гианг (Giang , Gyang , Гианг ) , globally, is a common surname. The family name Гианг is habitual in Vietnam, where it is quite a common surname, Macao, and Nigeria, where it is quite a rare surname. In absolute terms, the name is most common in Vietnam, Nigeria, and Philippines. Likewise, Гианг is the forename as well as the last name.