Last name Dhammaraj (Dhammaraj 
) , in the world, is an extremely rare family name. The last name Dhammaraj is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Dhammaraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dhammaraj | India, Thailand |