Last name ศีลเดช (ศีลเดช 
) , across the world, is an extremely rare family name. The surname ศีลเดช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศีลเดช | Thailand |
ทองหลอ, and วรรณวรินทร์