Last name Grebenec (Гребенец 
, Grebenec 
) , around the world, is a rare surname. The surname Grebenec is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гребенец | Kazakhstan, Russia, Ukraine, Belarus |
| Grebenec | Argentina, Croatia |