Family name ต้นคำฮัก (ต้นคำฮัก, Tonkhamhak 
) , around the world, is a very rare last name. The last name ต้นคำฮัก is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tonkhamhak | Thailand |