Surname Janča (Janča 
, Янча 
) , in the world, is a rare cognomen. The cognomen Janča is characteristic of Czechia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan. Likewise, Janča is the forename as well as the last name.
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jan janča CZ (b. 1866) |
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františek janča CZ (b. 1905) |
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| jan janča CZ (b. 1907) |
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| vladimír janča CZ (b. 1909) |
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| karel janča CZ (b. 1912) |
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| dejan janča Serbian jurist and university teacher (1928-2010), RS (b. 1928) |
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| rudolf remigius janča (b. 1919) |
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| bohumil janča (b. 1920) |
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| zdeněk janča (b. 1924) |
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| josef janča CZ (b. 1924) |
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| jiří janča CZ (b. 1924) |
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| jiří janča CZ (b. 1925) |
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| bohumil janča Czech politician and educator, CZ (b. 1936) |
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| milan janča CZ (b. 1929) |
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| dalibor janča (b. 1932) |
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