Cognomen Wicha (วิชา 
, Wicha 
) , across the world, is quite a rare family name. The last name Wicha is habitual in Thailand, where it is quite a rare surname, Hungary, and Poland. Not in comparison with a country's population, it is commonest in Thailand, Poland, and Germany. More frequently, Wicha is the forename as well as the last name.
| karl wicha AT (b. 1893) |
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| władysław wicha Polish politician (1904-1984), PL (b. 1904) |
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| josef wichart Austrian actor and playwright, AT (b. 1906) |
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marcin wicha Polish artist and writer, PL (b. 1972) |
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iwona wicha PL (b. 1987) |
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| guenter wicha (b. 1941) |
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| bärbel wicha Ph.D. Ruhr-Universität Bochum 1981 |
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| sebastian g wicha researcher (ORCID 0000-0002-8773-4845) |
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| jerzy wicha researcher, PL |
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| nicole wicha researcher ORCID ID = 0000-0003-3379-0849 |
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| wicha nantasri Thai footballer, TH (b. 1986) |
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| hans-jörg wicha |
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| max s wicha |
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| lukáš wicha (b. 1985) |
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