Surname Lavrnic (Lavrnic 
) , throughout the world, is a rare cognomen. The cognomen Lavrnic is habitual in Serbia, where it is quite a rare surname, Hungary, where it is a rare surname, and Norway, where it is a very rare surname. In absolute terms, it is commonest in Serbia, Hungary, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Lavrnic | Norway, Serbia, Hungary, United States, Canada |