Surname Казимжон (Казимжон 
) , in the world, is a very rare family name. The surname Казимжон is characteristic of Central Asia, particularly Kyrgyzstan, where it is a rare surname. More frequently, Казимжон is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Казимжон | Uzbekistan, Russia, Kyrgyzstan, Belarus, Ukraine |