Cognomen Polčák (Polčák 
) , throughout the world, is a very rare last name. The cognomen Polčák is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Polčák | Czechia |
| františek polčák (b. 1862) |
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| jiří polčák CZ (b. 1897) |
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stanislav polčák Czech politician, lawyer and university educator, CZ (b. 1980) |
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| antonín polčák (b. 1941) |
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| jiří polčák botanist (b. 1964) |
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| radim polčák Czech lawyer and university educator, CZ (b. 1978) |
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| josef polčák researcher ORCID ID = 0000-0002-6571-6291, CZ |
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| marek polčák Czech businessman, CZ (b. 1986) |
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| josef polčák CZ (b. 1979) |
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