Last name Quadt (Quadt 
) , around the world, is quite a rare cognomen. The last name Quadt is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Belgium, where it is a rare surname, and Netherlands. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Netherlands. Much less frequently, Quadt is the forename as well as the last name.
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| Quadt | Germany, Belgium, United States, Brazil, Netherlands |
| ludwig alexander rölemann von quadt (1675-1745), DE (b. 1675) |
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| adalbert quadt German musician and music educator, DE (b. 1903) |
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| barbara quadt DE (b. 1944) |
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| ralf quadt Dr. rer. nat. Universität zu Köln 1992 (b. 1961) |
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| bertram quadt (born 1966), DE (b. 1966) |
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| arnulf quadt researcher, DE (b. 1969) |
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| lisa quadt researcher |
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| arnulf quadt Ph.D. University of Oxford 1996 |
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| katharina a quadt researcher |
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| adolf von quadt |
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Mr, Iris, Ilja, Maria, Mario, Magda, Mirko, Sarah, Simon, Andre, Anton, Basti, Bernd, Brett, Karin, Karen, Kevin, Peter, Pedro, Deniz, Debra, David, Ingo, Gayle, Hans, Jurn, Ms, Jo, Bas, Ben, Kim, Ren, Jan, Joe, Ton, Udo, Uwe, Anna, Anne, Axel, Rolf, Rene, Lars, Lisa, Josi, John, Jens, Elke, and Guido