Around the globe, พงชัย (พงชัย 
) is a very rare male first name. The first name พงชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. Much less frequently, พงชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| พงชัย | Thailand |
เกษารัตน์, ลือกิตินันท์, and พินิตชยากร