Family name Treffler (Treffler 
) , in the entire world, is a rare surname. The last name Treffler is habitual in Germany, where it is a rare surname, Austria, and Hungary, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Germany, Austria, and Poland. Much less frequently, Treffler is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Treffler | Germany, Austria, Hungary, Poland, Canada |
| johann philipp treffler DE (b. 1625) |
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| johann philipp treffler (b. 1625) |
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| peter j. treffler German artist, opinion journalist and publisher, DE (b. 1955) |
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| guido treffler (b. 1970) |
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| e. a. treffler children's writer |
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| denise treffler DE (b. 1982) |
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| mara treffler German association football player, DE (b. 1997) |
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Mr, Martin, Marcus, Markus, Monika, Saskia, Stefan, Sönke, Astrid, Birgit, Ramona, Rainer, Robert, Renate, Denise, Daniel, Ludwig, Johann, Thomas, Hannes, Ingrid, Walter, Franz, Werner, Erich, Tamas, Ms, Mike, Sepp, Karl, Paul, Luis, Jana, Hans, Marco, Silke, Simon, Anton, Boris, Karin, Klaus, Petra, Peter, Georg, Laura, Josef, Tanja, Elmar, and Michael