Surname เรือนรัตน์ (เรือนรัตน์ 
, Rueanrat , Ruanrat ) , across the world, is a very rare last name. The surname เรือนรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, เรือนรัตน์ is the forename as well as the last name.