Surname ทองหนัก (ทองหนัก 
) , in the entire world, is a rare family name. The family name ทองหนัก is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, ทองหนัก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทองหนัก | Thailand |