Surname จรัสวัฒน์ (จรัสวัฒน์ 
, Charuswat) , all over the world, is a very rare cognomen. The cognomen จรัสวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, จรัสวัฒน์ is the forename as well as the last name.