Family name ศิลษา (ศิลษา 
) , in the entire world, is an extremely rare last name. The family name ศิลษา is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ศิลษา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิลษา | Thailand |