Last name จิรวงษ์โรจน์ (จิรวงษ์โรจน์ 
) , in all the world, is a very rare surname. The family name จิรวงษ์โรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิรวงษ์โรจน์ | Thailand |