Surname Унгуриану (Ungurianu 
, Унгуриану 
, Unguryanu 
) , across the world, is quite a rare cognomen. The surname Унгуриану is characteristic of Romania, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Italy, where it is a very rare surname. Much less frequently, Унгуриану is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ungurianu | Romania, Italy, Spain, United States, France |
| Унгуриану | Russia |
| Unguryanu | Russia, Bulgaria, United States, Greece, Ukraine |