Family name Neudecker (Neudecker 
) , in all the world, is quite a rare cognomen. The cognomen Neudecker is characteristic of Western Europe, particularly Germany, where it is quite a rare surname, Austria, where it is a rare surname, and Switzerland. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Austria.
| VARIANT | COUNTRY |
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| Neudecker | Austria, Canada, Germany, United States, Switzerland |
| johann d. รค. neudecker DE (b. 1663) |
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| sigismund neudecker (b. 1664) |
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| johann d. j. neudecker (b. 1692) |
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| christian gotthold neudecker DE (b. 1807) |
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| johann baptist von neudecker (b. 1840) |
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| georg neudecker (b. 1850) |
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gabriele neudecker Austrian director and screenwriter, AT (b. 1965) |
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| wilhelm neudecker DE (b. 1913) |
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christiane neudecker German writer, DE (b. 1974) |
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| jerry neudecker baseball umpire, US (b. 1930) |
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| heinz neudecker Austrian-Dutch econometrician (1933-2017), NL (b. 1933) |
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richard neudecker German association football player, DE (b. 1996) |
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jasmina neudecker DE (b. 1987) |
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| reinhard neudecker (b. 1938) |
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| richard neudecker German classical archaeologist, DE (b. 1949) |
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