Surname พรหมนาถ (พรหมนาถ 
, Promnath 
, Promnat) , around the globe, is an extremely rare last name. The family name พรหมนาถ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พรหมนาถ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พรหมนาถ, Phomnat | Thailand |
| Promnath | Thailand, India, United Kingdom |
Phomnanat, Phromnart, Phromnathom, and Promnathom
นพไธสง, นิจประกิจ, and เตชะกฤทธีรนันท์