Cognomen グラフ (Graf 
, Graff , Graph 
) , around the world, is a widespread family name. The family name グラフ is habitual in Western Europe, particularly Switzerland, where it is a common surname, Liechtenstein, and Austria (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Switzerland. Much less frequently, グラフ is the forename as well as the last name.