Surname ศิริศักดิ์ชัย (ศิริศักดิ์ชัย 
) , all over the world, is an extremely rare cognomen. The last name ศิริศักดิ์ชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, ศิริศักดิ์ชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริศักดิ์ชัย | Thailand |