Family name ขวัญจิรศักดิ์ (ขวัญจิรศักดิ์ 
) , in the world, is an extremely rare last name. The cognomen ขวัญจิรศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญจิรศักดิ์ | Thailand |