Cognomen Мрав (Мрав 
, Mrav 
) , throughout the world, is a rare family name. The cognomen Мрав is characteristic of Serbia, where it is quite a rare surname, Hungary, where it is a rare surname, and Armenia. Very seldom, Мрав is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Мрав | Ukraine, Russia, Armenia |
| Mrav | Hungary, Serbia, Canada, Croatia, Malaysia |