Family name Wieduwilt (Wieduwilt 
) , all around the world, is a rare surname. The surname Wieduwilt is habitual in Switzerland, where it is a rare surname, Germany, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Wieduwilt | Switzerland, United States, Germany, Canada, Spain |
| helmut wieduwilt German navy officer and WWII submarine commander, DE (b. 1919) |
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| martina wieduwilt East German rower, DE (b. 1957) |
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| thomas wieduwilt DE (b. 1949) |
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| stefan wieduwilt DE (b. 1965) |
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| erna k wieduwilt researcher |
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| matthew j wieduwilt researcher ORCID ID = 0000-0002-5414-9228 |
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| vanessa wieduwilt |
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| tobias wieduwilt DE (b. 1989) |
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Mr, Lars, Lino, Lisa, Lori, Jana, John, Jens, Teri, Nico, Eric, Emma, Egon, Earl, Mitzi, Sarah, Sonja, Steve, Scott, Antje, Anita, Armin, Gabi, Rico, Rolf, Ralf, Ms, Ben, Bob, Kim, Dee, Jan, Uwe, Mary, Mark, Sara, Aaron, Seth, Sven, Alan, Andy, Anna, Anka, Anke, Cara, Brad, Karl, Paul, Swen, and Chris