Cognomen Унгиадзе (Унгиадзе 
, Ungiadze 
) , throughout the world, is a rare surname. The surname Унгиадзе is habitual in Georgia, where it is a rare surname, Greece, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Унгиадзе | Russia |
| Ungiadze | Georgia, Germany, Greece, United States |