Surname Kabaivanov (Kabaivanov 
) , worldwide, is a rare family name. The family name Kabaivanov is characteristic of Bulgaria, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kabaivanov | Bulgaria, United States |
| plamen kabaivanov (b. 1966) |
|