Cognomen เผือกชัย (เผือกชัย 
, Phaotachhai, Phuakchai) , in all the world, is an extremely rare surname. The last name เผือกชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เผือกชัย | Thailand |