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Family name Кноп (Knop , Knopp , Кноп ) , across the world, is a common surname. The surname Кноп is habitual in Germany, where it is quite a common surname, Czechia, where it is quite a rare surname, and Poland. Measured by absolute frequency, it is commonest in Germany, the United States, and Brazil. Much less frequently, Кноп is the forename as well as the last name.