Cognomen เทพวัฒน์ (เทพวัฒน์ 
, Theepawat , Theptavat) , throughout the world, is an extremely rare last name. The last name เทพวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, เทพวัฒน์ is the forename as well as the last name.