Cognomen Kouban (Кубан 
, Kouban 
) , all around the world, is quite a rare family name. The last name Kouban is habitual in Kyrgyzstan, where it is quite a common surname, Cameroon, where it is a rare surname, and Ukraine. Also, Kouban is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кубан | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| Kouban | Morocco, France, Cameroon |