Cognomen ธัมมวาณิชสกุล (ธัมมวาณิชสกุล 
) , around the world, is a very rare surname. The family name ธัมมวาณิชสกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธัมมวาณิชสกุล | Thailand |