Cognomen Осор (Осор 
) , around the globe, is a rare last name. The last name Осор is habitual in Kyrgyzstan, where it is quite a rare surname, Russia, where it is an extremely rare surname, and Ukraine. Likewise, Осор is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Осор | Kyrgyzstan, Russia, Ukraine |