Family name Junthasen (Junthasen 
) , throughout the world, is a very rare last name. The family name Junthasen is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Junthasen | Thailand |
Binlee, Pairad, Tawutchai, Ruangrid, and Kanyapatchara