Cognomen พลธนธรณ์ (พลธนธรณ์ 
) , in the entire world, is an extremely rare last name. The cognomen พลธนธรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พลธนธรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พลธนธรณ์ | Thailand |
วานิช, ทองขาว, and ประดิษฐเวทย์