Cognomen Kobzun (Kobzun 
, Кобзун 
) , around the globe, is a rare last name. The surname Kobzun is habitual in Belarus, where it is a rare surname, Kazakhstan, and Ukraine. Not in comparison with a country's population, this name is the most popular in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kobzun | Russia, Belarus |
| Кобзун | Kazakhstan, Russia, Ukraine, Belarus |