Family name ธัมวุฒิ (ธัมวุฒิ 
) , worldwide, is an extremely rare cognomen. The family name ธัมวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ธัมวุฒิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธัมวุฒิ | Thailand |