Cognomen จิตวิโรจน์ (จิตวิโรจน์ 
, Chitwirot , Jittaviroj) , in the world, is a very rare surname. The last name จิตวิโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, จิตวิโรจน์ is the forename as well as the last name.