Surname Stoianovich (Stoianovich 
, Стоянович 
) , in the entire world, is quite a rare family name. The surname Stoianovich is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stoianovich | Argentina, Georgia, United States |
| Стоянович | Kazakhstan, Russia, Belarus, Bulgaria, Ukraine |
Стоианович, and Стойанович
| traian stoianovich American historian, US (b. 1921) |
|