Around the world, ธวรรณรัตน์ (ธวรรณรัตน์ 
) is a very rare primarily feminine, but very infrequently male first name. The first name ธวรรณรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly female, but scarcely masculine name.
| VARIANT | COUNTRY |
|---|---|
| ธวรรณรัตน์ | Thailand |