Surname Nyamdorj (Nyamdorj 
, Нямдорж 
) , all over the world, is quite a rare last name. The surname Nyamdorj is characteristic of Mongolia, where it is quite a common surname, Hungary, where it is a very rare surname, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Mongolia, the United States, and China. Also, Nyamdorj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nyamdorj | Hungary, United States, Mongolia, Malaysia, China |
| Нямдорж | Russia, Ukraine |