Cognomen ศิวะรัตน์ (Sivarat 
, ศิวะรัตน์ ) , in the entire world, is a very rare family name. The last name ศิวะรัตน์ is characteristic of Thailand, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Predominantly, ศิวะรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sivarat | Thailand, India, Philippines |
| ศิวะรัตน์ | Thailand |