Cognomen Harvac (Harvac 
) , across the world, is an extremely rare family name. The last name Harvac is habitual in Greece, where it is a very rare surname, and Canada, where it is an extremely rare surname. Predominantly, Harvac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harvac | Democratic Republic of the Congo, Greece, Canada |