Cognomen Fichna (Fichna 
) , throughout the world, is a rare surname. The surname Fichna is characteristic of Czechia, where it is a rare surname, Germany, and Poland. Also, Fichna is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Fichna | United Kingdom, Germany, Poland, Czechia, United States |
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bolesław fichna Polish lawyer, PL (b. 1891) |
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| margarete fichna Austrian historian and librarian, AT (b. 1886) |
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| jakub fichna researcher ORCID ID = 0000-0002-4077-4807, PL |
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| marta fichna Polish endocrinologist, PL |
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| piotr fichna Polish pediatric endocrinologist, PL |
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| jakub fichna Polish biochemist and gastroenterologist, PL |
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