Last name Thrang (Trang 
, Thrang 
) , in all the world, is a widespread surname. The last name Thrang is habitual in Vietnam, where it is a common surname, Macao, where it is quite a common surname, and Malaysia, where it is quite a rare surname. In absolute terms, the name is most common in Vietnam, Malaysia, and the United States. Much less frequently, Thrang is the forename as well as the last name.