Throughout the world, พชรชัย (พชรชัย 
) is a very rare male forename. The forename พชรชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare male name.
| VARIANT | COUNTRY |
|---|---|
| พชรชัย | Thailand |
รตนปุณณกิจ, ฤทธิสาร, and เรือนสิทธิ์