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