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