Cognomen Šumanov (Šumanov 
, Шуманов 
) , around the world, is quite a rare family name. The cognomen Šumanov is characteristic of Bulgaria, where it is quite a rare surname, Azerbaijan, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Šumanov | Croatia |
| Шуманов | Kazakhstan, Belarus, Bulgaria, Russia, Azerbaijan |