Surname พิทักษ์ธรรมนาถ (พิทักษ์ธรรมนาถ 
) , globally, is a very rare last name. The cognomen พิทักษ์ธรรมนาถ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิทักษ์ธรรมนาถ | Thailand |