Family name Mravac (Mravac 
) , around the globe, is an extremely rare cognomen. The cognomen Mravac is characteristic of Croatia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mravac | United States, Croatia |
| anes mravac Swedish footballer, SE (b. 1989) |
|