All over the world, พจน์พงศ์ (พจน์พงศ์ 
) is a very rare primarily male, but very seldom girly first name. The first name พจน์พงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare predominantly male, but very seldom feminine name.
| VARIANT | COUNTRY |
|---|---|
| พจน์พงศ์ | Thailand |