Cognomen Bayanmunkh (Bayanmunkh 
) , worldwide, is quite a rare family name. The last name Bayanmunkh is characteristic of Mongolia, where it is quite a common surname, and the United States, where it is an extremely rare surname. Also, Bayanmunkh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bayanmunkh | United States, Mongolia |