Family name ทนวิสิทธิ์ (ทนวิสิทธิ์ 
) , throughout the world, is an extremely rare surname. The family name ทนวิสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทนวิสิทธิ์ | Thailand |