In the world, Казимжон (Казимжон 
) is a rare boy's forename. The forename Казимжон is habitual in Central Asia, particularly Kyrgyzstan, where it is a rare male name, and Uzbekistan. Very seldom, Казимжон is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Казимжон | Kyrgyzstan, Russia, Belarus, Ukraine, Uzbekistan |