Last name พระขรรธ์ชัย (พระขรรธ์ชัย 
) , throughout the world, is a very rare cognomen. The surname พระขรรธ์ชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พระขรรธ์ชัย | Thailand |