Surname จรัสวิทย์ (จรัสวิทย์ 
, Jaraswit ) , all around the world, is a very rare cognomen. The last name จรัสวิทย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, จรัสวิทย์ is the forename as well as the last name.