Surname เวียงแก้ว (Wiangkaeo 
, เวียงแก้ว, Vaenkaew ) , in the entire world, is a rare last name. The last name เวียงแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Very seldom, เวียงแก้ว is the forename as well as the last name.