Surname Надав (Nadav 
, Надав 
) , throughout the world, is quite a common last name. The last name Надав is characteristic of Israel, where it is quite a common surname, Hungary, where it is a rare surname, and Romania. Not in comparison with a country's population, the name is most common in Israel, India, and the United States. Likewise, Надав is the forename as well as the last name.