Cognomen Kubov (Kubov 
) , around the globe, is a rare family name. The family name Kubov is habitual in Slovakia, where it is quite a rare surname, Estonia, where it is a rare surname, and Russia, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Slovakia, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kubov | Ukraine, Slovakia, United States, Russia, Estonia |