Cognomen Antonaz (Antonaz 
) , in the world, is a rare surname. The family name Antonaz is characteristic of Croatia, where it is a rare surname, Italy, and Argentina, where it is an extremely rare surname. Very seldom, Antonaz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Antonaz | Canada, Argentina, Italy, Brazil, Croatia |
| antonio antonaz HR (b. 1827) |
|
|
| matjaž antonaz SI (b. 1970) |
|