Cognomen Koralija (Koralija 
) , around the globe, is a very rare surname. The surname Koralija is habitual in Croatia, where it is a rare surname, Germany, where it is an extremely rare surname, and Canada. In absolute terms, it most frequently occurs in Croatia, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Koralija | United States, Germany, Canada, Croatia |