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