Family name ธวัชวงค์ (ธวัชวงค์ 
) , throughout the world, is a very rare surname. The family name ธวัชวงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ธวัชวงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธวัชวงค์ | Thailand |