Cognomen Kudrna (Kudrna 
, Кудрна 
) , all over the world, is quite a rare last name. The last name Kudrna is characteristic of Czechia, where it is quite a common surname, Austria, where it is quite a rare surname, and Croatia. Measured by absolute frequency, this name is the most popular in Czechia, the United States, and Austria.
| VARIANT | COUNTRY |
|---|---|
| Kudrna | Slovakia, Croatia, United States, Czechia, Austria |
| Кудрна | Russia |
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otakar kudrna Czech member of Czech council, attorney and mayor (1853-1940), CZ (b. 1853) |
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| josef stanislav kudrna CZ (b. 1812) |
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josef kudrna Czech warrior, CZ (b. 1881) |
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karel kudrna Czech soccer player (b. 1905) |
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| stanislav kudrna CZ (b. 1849) |
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| karel kudrna CZ (b. 1861) |
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| václav kudrna (b. 1868) |
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| josef kudrna CZ (b. 1869) |
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| hugo kudrna association football player (1888-1969), HR (b. 1888) |
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| jan kudrna CZ (b. 1887) |
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otakar kudrna CZ (b. 1939) |
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| františek kudrna (b. 1897) |
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| otakar kudrna (b. 1903) |
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| stanislav kudrna CZ (b. 1907) |
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| josef kudrna Czechoslovak minister of interior and Czechoslovak politician (1920-1989), CZ (b. 1920) |
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