Family name Duncheva (Duncheva 
, Дунчева 
) , in the world, is a rare cognomen. The cognomen Duncheva is characteristic of Bulgaria, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Duncheva | Bulgaria, United States, Russia, United Kingdom |
| Дунчева | Kazakhstan, Russia, Bulgaria, Kyrgyzstan, Ukraine |