Family name Muhamadjon (Мухамаджон 
, Muhamadjon ) , around the globe, is a rare surname. The last name Muhamadjon is habitual in Kyrgyzstan, where it is quite a rare surname, and Russia, where it is an extremely rare surname. More prevalently, Muhamadjon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Мухамаджон | Kazakhstan, Russia, Kyrgyzstan, United States, Tajikistan |
| Muhamadjon | United States |