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Surname Kapp (Kapp
, Schap
, Капп
) , in all the world, is a common family name. The surname Kapp is characteristic of Estonia, where it is quite a common surname, Germany, where it is quite a rare surname, and South Africa. In absolute terms, the name is most common in Germany, the United States, and South Africa. Very seldom, Kapp is the forename as well as the last name.