Family name ขวัญสุวรรค์ (ขวัญสุวรรค์ 
) , in the entire world, is an extremely rare cognomen. The surname ขวัญสุวรรค์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญสุวรรค์ | Thailand |