Family name พัชรนาถ (Phatchanat 
, พัชรนาถ , Patchanath ) , in the entire world, is an extremely rare last name. The family name พัชรนาถ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พัชรนาถ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phatchanat, Patchanath, พัชรนาถ, Patchanaton | Thailand |