Family name Якубжонов (Якубжонов 
) , around the world, is a very rare cognomen. The surname Якубжонов is habitual in Kyrgyzstan, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Якубжонов | Russia, Ukraine, Kyrgyzstan |