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