Cognomen Grahovar (Grahovar 
) , in all the world, is a very rare family name. The cognomen Grahovar is characteristic of Croatia, where it is quite a rare surname, Germany, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Grahovar | Germany, Canada, Croatia |
| simon tadej volbenk grahovar SI (b. 1710) |
|
|
| nikolaj grahovar SI (b. 1750) |
|