Family name Kretschmer (Kretschmer 
, Kreczmar 
, Кречмер 
) , in the entire world, is a common cognomen. The surname Kretschmer is habitual in Western Europe, particularly Germany, where it is quite a common surname, Austria, where it is quite a rare surname, and Luxembourg. Measured by absolute frequency, it is commonest in Germany, the United States, and Brazil. Much less frequently, Kretschmer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kretschmer | Germany, Australia, Austria, Brazil, United States |
| Kreczmar | Poland |
| Кречмер | Ukraine, Russia, Kazakhstan, Belarus |
| קרצ'מר | Israel |
| lőrinc kretschmer (b. 1485) |
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| georg kretschmer PL (b. 1602) |
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| johann kretschmer (b. 1642) |
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| johann christian kretschmer PL (b. 1671) |
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| johann heinrich kretschmer DE (b. 1723) |
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wilhelm kretschmer German lithographer and painter (1806-1897), DE (b. 1806) |
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edmund kretschmer German composer and organist (1830-1908), DE (b. 1830) |
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| franz johann carl kretschmer (b. 1775) |
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| ludwig von kretschmer (b. 1776) |
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| henri antoine kretschmer FR (b. 1785) |
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konrad kretschmer German geographer, DE (b. 1864) |
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paul kretschmer German linguist (1866-1956), DE (b. 1866) |
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| robert kretschmer German artist (1818-1872), PL (b. 1818) |
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| heinrich kretschmer (b. 1809) |
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| rodo kretschmer DE (b. 1811) |
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