Last name จิรวรรณกุล (จิรวรรณกุล 
, Jirawankul) , all around the world, is an extremely rare cognomen. The last name จิรวรรณกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| จิรวรรณกุล | Thailand |