Cognomen Ognjanovac (Ognjanovac 
) , in the entire world, is a rare last name. The cognomen Ognjanovac is habitual in Serbia, where it is quite a rare surname, Croatia, where it is a rare surname, and Canada, where it is an extremely rare surname. In absolute terms, this name is the most popular in Serbia, Croatia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ognjanovac | Serbia, United States, Croatia, Canada |