Last name Klaßen (Klaßen 
) , globally, is a rare cognomen. The family name Klaßen is characteristic of Western Europe, particularly Germany, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klaßen | Germany |
| theodor f. klaßen DE (b. 1930) |
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| solveig klaßen German film director, DE (b. 1969) |
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| robert klaßen (b. 1962) |
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| knut klaßen DE (b. 1967) |
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| kurt klaßen DE |
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Leo, Lukas, Josef, Julia, Tanja, Ernst, Heinz, Heike, Hedda, Frank, Felix, Willi, Martin, Markus, Monika, Miriam, Simone, Stefan, Albert, Alfred, Andrea, André, Laura, David, Ramon, Peter, Uwe, Anja, Anke, Karl, Ralf, Rolf, Dirk, Gerd, Lars, Jens, Calvin, Theo, Elke, Egon, Hans, Iris, Sarah, Anouk, Armin, Bernd, Kevin, Petra, Nils, and Cornel