Cognomen ตั้งเบญจกุล (ตั้งเบญจกุล, Tangbenchakun 
) , around the globe, is a very rare last name. The surname ตั้งเบญจกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tangbenchakun | Thailand |