Family name Umidzhon (Умиджон 
, Umidzhon 
) , around the world, is a rare last name. The family name Umidzhon is characteristic of Kyrgyzstan, where it is quite a common surname, and Russia, where it is an extremely rare surname. More frequently, Umidzhon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Умиджон | Azerbaijan, Uzbekistan, Russia, Kyrgyzstan, Tajikistan |
| Umidzhon | Uzbekistan, Tajikistan, United States |