Surname גרנץ (Granz 
, גרנץ 
) , all around the world, is a rare family name. The surname גרנץ is habitual in Iceland, where it is quite a rare surname, Germany, where it is a rare surname, and Israel, where it is a very rare surname. In absolute terms, it is the most numerous in Germany, the United States, and Iceland. Very seldom, גרנץ is the forename as well as the last name.