Cognomen Hudecek (Hudeček 
, Hudecek 
) , throughout the world, is quite a rare surname. The cognomen Hudecek is habitual in Czechia, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Slovenia. Measured by absolute frequency, it is the most numerous in Czechia, the United States, and Slovakia.
| VARIANT | COUNTRY |
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| Hudeček | Czechia, Croatia, Slovakia |
| Hudecek | Czechia, Slovakia, United States, Austria, Croatia |
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michael hudecek Austrian film editor, AT (b. 1961) |
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| frantisek hudecek AT (b. 1912) |
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| carl hudecek American materials engineer and bridge player, US (b. 1934) |
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| milan hudecek Australian inventor, AU (b. 1954) |
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| christine hudecek Dr. rer. nat. Universität Leipzig 1989 |
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| michael hudecek researcher ORCID 0000-0003-4048-8824 |
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| michael hudecek researcher (ORCID 0000-0002-2280-2202) |
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