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