Family name Schlüssel (Schlüssel 
) , globally, is a rare surname. The surname Schlüssel is characteristic of Germany, where it is a rare surname, Switzerland, and Spain, where it is an extremely rare surname. In absolute terms, it is commonest in Germany, Switzerland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Schlüssel | Germany, Switzerland, Spain, United States |
| wilhelm georg schlüssel DE (b. 1718) |
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| henriette schlüssel holocaust victim, b. 1876-10-04, DE (b. 1876) |
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| regina schlüssel holocaust victim, b. 1876-10-04, CZ (b. 1876) |
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| berta schlüssel holocaust victim, b. 1887-02-23 (b. 1887) |
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| edith schlüssel Danish film editor (b. 1899) |
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| christiane schlüssel DE (b. 1937) |
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| andré schlüssel botanist, CH (b. 1970) |
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| wilhelm schlüssel German canoeist |
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| peter schlüssel researcher |
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| michael maia schlüssel researcher (ORCID 0000-0002-1711-9310) |
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Max, Renata, Dieter, Gudrun, Theres, Thomas, Tobias, Othmar, Andrea, Michael, Andreas, Raphael, Herbert, Olivier, Caroline, Dr. Hans, Wolfgang, Sabrina, Shirin, Sarina, Marvin, Jan, Marc, Juri, Hans, Cindy, Berit, Klaus, Peter, Roman, Roger, David, Julie, Jürg, Helga, Heinz, Fritz, Willi, Anneliese, and Hans-Jürgen