Cognomen Schlussel (Schlussel 
) , in the entire world, is a rare family name. The cognomen Schlussel is habitual in Switzerland, where it is quite a rare surname, the United States, where it is a very rare surname, and Argentina. Very seldom, Schlussel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Schlussel | United Kingdom, Argentina, France, United States, Switzerland |
| benoît schlussel French politician, FR (b. 1954) |
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| debbie schlussel American writer, US (b. 1969) |
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| andrew t schlussel researcher |
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