Cognomen ธรากาญจน์ (ธรากาญจน์ 
) , in the world, is an extremely rare last name. The last name ธรากาญจน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, ธรากาญจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธรากาญจน์ | Thailand |