Throughout the world, พจน์ชนะ (พจน์ชนะ 
) is a very rare masculine given name. The first name พจน์ชนะ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Very seldom, พจน์ชนะ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| พจน์ชนะ | Thailand |