Family name Thepdam (Thepdam 
) , throughout the world, is a very rare surname. The family name Thepdam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thepdam | Thailand |
Daonoi, Suparek, Somchai, Phanida, and Kotchapron