Surname Korchounov (Korchounov 
) , throughout the world, is a very rare family name. The surname Korchounov is habitual in Belgium, where it is a very rare surname, Spain, where it is an extremely rare surname, and France.
| VARIANT | COUNTRY |
|---|---|
| Korchounov | Belgium, Spain, Canada, France, Venezuela |
| a m korchounov researcher |
|