Last name ศิวอมนมาศ (ศิวอมนมาศ 
) , across the world, is an extremely rare family name. The last name ศิวอมนมาศ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิวอมนมาศ | Thailand |