Last name จิรวัฒน์โกศล (จิรวัฒน์โกศล 
) , around the globe, is an extremely rare family name. The family name จิรวัฒน์โกศล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิรวัฒน์โกศล | Thailand |