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.