Family name Jaenecke (ינקה 
, Jaenecke 
) , in all the world, is a rare cognomen. The last name Jaenecke is characteristic of Germany, where it is a rare surname, Sweden, and Austria. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Sweden. Much less frequently, Jaenecke is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ינקה | Israel |
| Jaenecke | Austria, Germany, Finland, Sweden, United States |
| johann gottfried jaenecke (b. 1725) |
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fritz jaenecke Swedish architect, SE (b. 1903) |
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gustav jaenecke German tennis player, DE (b. 1908) |
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| erwin jaenecke German general (1890-1960), DE (b. 1890) |
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| heinrich jaenecke German journalist and historian of modern age (1928-2014), DE (b. 1928) |
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| walter jaenecke publisher & writer, DE |
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| sven jaenecke (b. 1974) |
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| robert jaenecke DE (b. 1978) |
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| melanie jaenecke |
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Mr, Chris, Bernd, Brian, Karin, Katie, Kelly, Klaus, Petra, Peter, Pedro, Robin, Roger, René, Rixie, Donna, Lotti, Lotta, James, Jason, Jonas, Jörg, Scott, Sonja, Susan, Sandy, Ms, Max, Kai, Jan, Jã, Tim, Memo, Sara, Sven, Alan, Jörn, Kara, Rolf, Dale, Dabo, Luca, Lutz, Jane, Jens, Nico, Ella, Wolf, Pete, and Tammy