Family name ศศิวัฒนศิริกุล (ศศิวัฒนศิริกุล 
) , all around the world, is an extremely rare surname. The cognomen ศศิวัฒนศิริกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศศิวัฒนศิริกุล | Thailand |