Cognomen เวียงรัตน์ (เวียงรัตน์ 
, Wiangrat ) , worldwide, is a very rare surname. The family name เวียงรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เวียงรัตน์ is the forename as well as the last name.