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