Family name ฤทธิ์สุทธิเชษฐ (ฤทธิ์สุทธิเชษฐ 
) , all over the world, is a very rare last name. The surname ฤทธิ์สุทธิเชษฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์สุทธิเชษฐ | Thailand |