Surname グランツ (Glanc 
, グランツ 
, Granz 
) , around the globe, is quite a rare cognomen. The cognomen グランツ is habitual in Iceland, where it is quite a rare surname, Poland, and Germany. In absolute terms, it most frequently occurs in Germany, Poland, and the United States. Also, グランツ is the forename as well as the last name.