Cognomen พลูชัย (พลูชัย 
) , all around the world, is a very rare last name. The surname พลูชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พลูชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พลูชัย | Thailand |