Cognomen Kralj-Vlašić (Kralj-Vlašić 
) , around the world, is a very rare surname. The last name Kralj-Vlašić is habitual in Southern Europe, particularly Croatia, where it is a rare surname. Parts of the name also exists independently as a last name Kralj, and a last name Vlašić.
| VARIANT | COUNTRY |
|---|---|
| Kralj-Vlašić | Croatia |