Cognomen ศิลารัฐ (ศิลารัฐ 
) , globally, is an extremely rare family name. The surname ศิลารัฐ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ศิลารัฐ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิลารัฐ | Thailand |