Family name ชาญชัยจิรโรจน์ (ชาญชัยจิรโรจน์ 
) , in the entire world, is an extremely rare last name. The surname ชาญชัยจิรโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ชาญชัยจิรโรจน์ | Thailand |