Family name ถัทรหิรัญวุฒิ (ถัทรหิรัญวุฒิ 
) , around the world, is an extremely rare cognomen. The last name ถัทรหิรัญวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ถัทรหิรัญวุฒิ | Thailand |