Surname Зянг (Giang 
, Ziang , Zyang ) , in all the world, is a common cognomen. The surname Зянг is characteristic of Vietnam, where it is quite a common surname, Macao, and Malaysia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Vietnam, the United States, and Malaysia. Likewise, Зянг is the forename as well as the last name.