Surname ศิลพงษ์ (ศิลพงษ์ 
, Sillapong , Silpapong ) , around the world, is a rare family name. The family name ศิลพงษ์ is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิลพงษ์, Sillapong, Silpapong | Thailand |
| Siliphong | Laos, Thailand |