Cognomen ขวัญกิจโสภณ (ขวัญกิจโสภณ 
) , throughout the world, is a very rare surname. The last name ขวัญกิจโสภณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญกิจโสภณ | Thailand |
พลอยไพลิน, and พงษ์สุรีย์