Last name จิรชาญชัย (จิรชาญชัย 
, Jerachanchai , Jirachanchai ) , around the world, is a rare family name. The family name จิรชาญชัย is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jirachanchai, จิรชาญชัย, Jerachanchai | Thailand |
|
สุวบุญ จิรชาญชัย TH (b. 1964) |
|