Surname ชาญธนาโรจน์ (ชาญธนาโรจน์ 
) , worldwide, is an extremely rare family name. The family name ชาญธนาโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ชาญธนาโรจน์ | Thailand |