Last name ขวัญกาญจนรัตน์ (ขวัญกาญจนรัตน์ 
) , globally, is a very rare family name. The surname ขวัญกาญจนรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญกาญจนรัตน์ | Thailand |