Surname ธรรมรุจา (ธรรมรุจา 
) , around the world, is a very rare family name. The last name ธรรมรุจา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ธรรมรุจา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธรรมรุจา | Thailand |