Cognomen จิระวงศ์วณิช (จิระวงศ์วณิช 
) , all over the world, is an extremely rare last name. The last name จิระวงศ์วณิช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิระวงศ์วณิช | Thailand |