Cognomen Sernthaisong (Sernthaisong 
) , around the globe, is a very rare family name. The last name Sernthaisong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sernthaisong | Thailand |
Sakhorn, Winatchaya, Juraporn, and Padungpong