Last name Херц (Herc 
, Herz 
, Hersz 
) , across the world, is a common family name. The surname Херц is characteristic of Germany, where it is quite a common surname, Bahrain, and Israel, where it is quite a rare surname. In absolute terms, it is the most numerous in Germany, the United States, and Egypt. Very seldom, Херц is the forename as well as the last name.