Last name Willenz (Willenz 
) , in all the world, is a very rare cognomen. The cognomen Willenz is habitual in Israel, where it is a rare surname, Brazil, where it is a very rare surname, and France. Very seldom, Willenz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Willenz | Brazil, United States, Israel, France |
| jules willenz BE (b. 1858) |
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| max willenz Austrian singer, stage actor and film actor (1888-1954), AT (b. 1888) |
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| june a. willenz American military veterans advocate, US (b. 1924) |
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| sylvain willenz Belgian industrial designer, BE (b. 1978) |
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| philippe willenz Belgian zoologist, BE |
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| maria willenz |
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Avi, Sylvain, Claudir, Lourdes, Everson, Zulmira, Claudete, Patricia, Philippe, Deonisio, Djonatan, Graziela, Jaderson, Nilibaldo, Valdinei, Vitalina, Francois, Alexandre, Claudinei, Gabriella, Michela, Elexandre, Iciene, Valdir, June, Elio, Mario, Suela, Paulo, Darci, Lenir, Lucas, Jorge, Neloi, Adelar, Ademir, Pamela, Roveni, Lurdes, Thalya, Nicoly, Nestor, Eliane, Itamar, and Valdomiro