Last name ถาวรธรรมฤทธิ์ (ถาวรธรรมฤทธิ์ 
) , throughout the world, is a very rare surname. The family name ถาวรธรรมฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ถาวรธรรมฤทธิ์ | Thailand |