Surname จิรังรัตน์ (จิรังรัตน์ 
, Jirangrat ) , around the world, is a very rare family name. The surname จิรังรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, จิรังรัตน์ is the forename as well as the last name.