Cognomen Jaenisch (Джениш 
, Jaenisch 
, יאניש 
) , globally, is quite a rare family name. The surname Jaenisch is habitual in Kyrgyzstan, where it is quite a rare surname, Germany, and Brazil, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Kyrgyzstan. Much less frequently, Jaenisch is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Джениш | Russia, Kyrgyzstan |
| Jaenisch | Brazil, Spain, Argentina, United States, Germany |
| יאניש | Israel |
| Jänisch | Germany |
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cornelius jaenisch (b. 1753) |
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| alexander jaenisch AX (b. 1832) |
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rudolf jaenisch German geneticist, DE (b. 1942) |
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| julius jaenisch DE (b. 1890) |
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| hans jaenisch German painter (1907-1989), DE (b. 1907) |
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| johannes jaenisch PL (b. 1904) |
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| adelheid jaenisch (b. 1921) |
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| sigbert jaenisch Dr. rer. nat. Justus-Liebig-Universität Gießen 1964 (b. 1934) |
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maximilian jaenisch DE (b. 1988) |
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| jürgen jaenisch DE (b. 1939) |
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| max jaenisch researcher |
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| wolfgang jaenisch ehemaliger General der Bundeswehr, DE |
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| johan jaenisch researcher (ORCID 0000-0002-1313-5436) |
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| nikolai jaenisch |
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| max jaenisch |
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Mr, Lyle, Jake, Jose, John, Joan, Tino, Elza, Edda, Ivor, Ioni, Maria, Marco, Silda, Sonia, Steve, Alice, Ariel, Athos, Aaron, Chris, Carol, Luan, Corey, Lisa, Gwen, Ms, Ana, Amy, Ron, Deb, Jon, Uwe, Mary, Maik, Mphc, Alex, Caua, Cody, Karl, Kris, Paul, Ross, Dane, Dale, Gary, Gina, Leda, and Cildo