Last name ขวัญชัยรัตนภูมิ (ขวัญชัยรัตนภูมิ 
) , worldwide, is a very rare family name. The surname ขวัญชัยรัตนภูมิ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญชัยรัตนภูมิ | Thailand |