Last name อิทธิพูนธนกร (อิทธิพูนธนกร 
, Itthipoonthanagorn ) , all over the world, is a very rare family name. The last name อิทธิพูนธนกร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Itthipoonthanagorn, อิทธิพูนธนกร | Thailand |