Family name ศิริพัฒนศักดิ์ (ศิริพัฒนศักดิ์ 
) , in the entire world, is a very rare surname. The cognomen ศิริพัฒนศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิริพัฒนศักดิ์ | Thailand |