Cognomen Cílek (Cílek 
) , throughout the world, is a very rare last name. The family name Cílek is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cílek | Czechia |
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jiří cílek Czech painter (1910-1975), CZ (b. 1910) |
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václav cílek Czech geologist, translator, writer and university educator, CZ (b. 1955) |
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| jan cílek CZ (b. 1910) |
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| jan cílek CZ (b. 1923) |
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| roman cílek Czech writer, CZ (b. 1937) |
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| václav g. cílek CZ (b. 1929) |
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| tomáš cílek (b. 1978) |
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