Family name ธีรวงศ์เดชสกุล (ธีรวงศ์เดชสกุล 
) , all over the world, is an extremely rare last name. The surname ธีรวงศ์เดชสกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธีรวงศ์เดชสกุล | Thailand |