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Family name Stumpf (ตอ , Stumpf , Штумпф ) , all around the world, is a common last name. The cognomen Stumpf is characteristic of Germany, where it is quite a common surname, Hungary, and Austria, where it is quite a rare surname. In absolute terms, it is commonest in Germany, the United States, and Brazil. Much less frequently, Stumpf is the forename as well as the last name.