Surname จิรวงศ์วัฒนะ (จิรวงศ์วัฒนะ 
) , all over the world, is an extremely rare cognomen. The family name จิรวงศ์วัฒนะ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิรวงศ์วัฒนะ | Thailand |