Cognomen พสุเดชสุพิทย์ (พสุเดชสุพิทย์ 
) , worldwide, is an extremely rare surname. The family name พสุเดชสุพิทย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พสุเดชสุพิทย์ | Thailand |