Last name เพ็ญพักตร (เพ็ญพักตร 
) , worldwide, is a very rare family name. The family name เพ็ญพักตร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, เพ็ญพักตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพ็ญพักตร | Thailand |