Cognomen Makhmadjon (Махмаджон 
, Makhmadjon 
) , around the world, is a very rare surname. The cognomen Makhmadjon is characteristic of Central Asia, particularly Kyrgyzstan, where it is a rare surname. Predominantly, Makhmadjon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Махмаджон | Uzbekistan, Russia, Tajikistan, Kyrgyzstan, Azerbaijan |
| Makhmadjon | United States |