Cognomen Окилжон (Окилжон 
) , around the globe, is a very rare last name. The family name Окилжон is characteristic of Central Asia, particularly Kyrgyzstan, where it is a rare surname. More prevalently, Окилжон is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Окилжон | Kyrgyzstan, Russia, Ukraine |