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