Cognomen ศิวิลัยซ์ (ศิวิลัยซ์ 
) , throughout the world, is a very rare last name. The cognomen ศิวิลัยซ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ศิวิลัยซ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิวิลัยซ์ | Thailand |