Cognomen Mullajanov (Mullajanov 
, Муллайанов 
, Муллажанов 
) , around the globe, is a rare family name. The surname Mullajanov is characteristic of Kyrgyzstan, where it is quite a rare surname, Uzbekistan, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mullajanov | Uzbekistan |
| Муллайанов | Russia |
| Муллажанов | Kyrgyzstan, Russia, Ukraine |
| Мулладжанов | Kyrgyzstan, Kazakhstan, Russia, Ukraine |