Cognomen เทพีรัตน์ (เทพีรัตน์ 
, Thepeerat ) , in all the world, is a very rare family name. The surname เทพีรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, เทพีรัตน์ is the forename as well as the last name.