Cognomen Knaut (Knaut 
) , worldwide, is quite a rare surname. The surname Knaut is habitual in Germany, where it is a rare surname, Brazil, and Hungary, where it is a very rare surname. In absolute terms, it is the most numerous in Germany, Brazil, and the United States. Very seldom, Knaut is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Knaut | Germany, United States, Poland, Canada, Brazil |
| peter knaut DE (b. 1593) |
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| christoph knaut German botanist (1638-1694), DE (b. 1638) |
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| christian knaut German botanist (1656-1716), DE (b. 1656) |
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| christian knaut (b. 1662) |
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| philip augustus knaut Canadian politician, CA (b. 1716) |
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| carl friedrich knaut DE (b. 1868) |
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| karl knaut DE (b. 1885) |
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| walter knaut (b. 1914) |
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| matthias knaut (b. 1954) |
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| holger knaut researcher |
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| caroline knaut researcher |
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| friedrich wilhelm knaut |
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Mr, Lore, Luiz, Luke, Jose, Joao, Joze, Juan, Tina, Elza, Geni, Vera, Ines, Inez, Iris, Ivan, Igor, Olga, Yuri, Maria, Mario, Fred, Rute, Rita, Rolf, Ms, Ana, Ari, Can, Kai, Don, Jim, Eva, Win, Udo, Mary, Meik, Anja, Adao, Axel, Kaio, Kaua, Kurt, Paul, Ralf, Rosa, Marta, and Marco