Cognomen เดชวัฒน์ (Dechawat 
, เดชวัฒน์ , Detchawat ) , across the world, is a rare surname. The last name เดชวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, เดชวัฒน์ is the forename as well as the last name.