Last name จิรโรจน์ธนกุล (จิรโรจน์ธนกุล 
) , across the world, is an extremely rare family name. The cognomen จิรโรจน์ธนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิรโรจน์ธนกุล | Thailand |