Cognomen จิรวัฒนชัย (จิรวัฒนชัย 
, Chirawattanachai , Jirawatanachai ) , around the globe, is a very rare family name. The family name จิรวัฒนชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jirawattanachai, จิรวัฒนชัย, Jirawatanachai, Chirawattanachai | Thailand |