Surname Kaštánek (Kaštánek 
) , globally, is a rare family name. The last name Kaštánek is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaštánek | Czechia |
| jan kaštánek (b. 1878) |
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františek kaštánek CZ (b. 1935) |
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| jan kaštánek (b. 1922) |
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| jiří kaštánek (b. 1922) |
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| františek kaštánek (b. 1931) |
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| jan kaštánek CZ (b. 1933) |
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| jiří kaštánek (b. 1943) |
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