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