Last name Kupenova (Kupenova 
) , globally, is a rare cognomen. The family name Kupenova is habitual in Bulgaria, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kupenova | Bulgaria, Kazakhstan, United States |
| petia kupenova researcher |
|