Cognomen เทพวรชัย (เทพวรชัย 
, Thepworachai , Tepvorachai 
) , all over the world, is a rare surname. The surname เทพวรชัย is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thepvorachai, เทพวรชัย, Thepworachai | Thailand |
| Tepvorachai | Thailand, United States |