Cognomen ชาญชัยสมร (ชาญชัยสมร 
, Chanchaismorn , Chanchaisamor ) , globally, is a very rare family name. The family name ชาญชัยสมร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanchaisamor, Charnchaisamon, Chanchaismorn, ชาญชัยสมร | Thailand |