Family name ศิวาวัฒน์ (ศิวาวัฒน์ 
) , all around the world, is an extremely rare cognomen. The last name ศิวาวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ศิวาวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิวาวัฒน์ | Thailand |