Family name จรูญสิทธิ์ (จรูญสิทธิ์ 
, Jaroonsit , Charoonsith ) , in the entire world, is a very rare surname. The cognomen จรูญสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, จรูญสิทธิ์ is the forename as well as the last name.