Family name Усубов (Усубов 
) , worldwide, is a rare last name. The family name Усубов is habitual in Kyrgyzstan, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname. Very seldom, Усубов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Усубов | Armenia, Kyrgyzstan, Ukraine, Kazakhstan, Russia |