Cognomen Feddern (Feddern 
) , all around the world, is quite a rare surname. The last name Feddern is habitual in Denmark, where it is quite a rare surname, Germany, and Switzerland, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Denmark.
| VARIANT | COUNTRY |
|---|---|
| Feddern | Brazil, Kenya, United States, Denmark, Germany |
| vivian feddern researcher |
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| nina feddern researcher (ORCID 0000-0002-5104-1473) |
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| m-l feddern researcher (ORCID 0000-0003-2307-4953) |
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| stefan feddern DE (b. 1981) |
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Mr, Gail, Greg, Lars, Livi, Lori, Jake, John, Joan, Jens, Jean, Jill, Troy, Tina, Niky, Nils, Nina, Eric, Hans, Hank, Vera, Faye, Gary, Inga, Dirk, Ralf, Ms, Mia, Sue, Boi, Pat, Roy, Jan, Tim, Noa, Uwe, Mary, Mark, Mina, Mike, Sven, Axel, Carl, Bret, Kara, Kaye, Paul, Dawn, and Iris