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