Family name ธนกาญจนวัฒน์ (ธนกาญจนวัฒน์ 
) , all around the world, is an extremely rare cognomen. The family name ธนกาญจนวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนกาญจนวัฒน์ | Thailand |