Surname เพชรภูธร (Phetphouthone 
, เพชรภูธร 
) , globally, is a rare last name. The last name เพชรภูธร is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is an extremely rare surname. More frequently, เพชรภูธร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phetphouthone | United States, Laos |
| เพชรภูธร | Thailand |