Family name วงศ์ธรรมวานิช (วงศ์ธรรมวานิช 
) , across the world, is an extremely rare last name. The surname วงศ์ธรรมวานิช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์ธรรมวานิช | Thailand |