Cognomen Stoianovic (Stoianovic 
, Стойановиц 
) , all around the world, is a very rare last name. The surname Stoianovic is habitual in Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stoianovic | United States |
| Стойановиц | Russia |