Surname Uroić-Tončina (Uroić-Tončina 
) , across the world, is a very rare family name. The family name Uroić-Tončina is characteristic of Southern Europe, particularly Croatia, where it is a rare surname. Parts of the name also exists independently as a last name Uroić, and a first name Tončina.
| VARIANT | COUNTRY |
|---|---|
| Uroić-Tončina | Croatia |