Surname อัศวชัยโสภณ (อัศวชัยโสภณ 
, Asvachaisophon , Asavachaisophon 
) , in the entire world, is a rare family name. The cognomen อัศวชัยโสภณ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Asawachaisophon, อัศวชัยโสภณ, Asvachaisophon | Thailand |
| Asavachaisophon | Thailand, United States |
| สมชัย อัศวชัยโสภณ TH (b. 1948) |
|