Surname Klásek (Klásek 
) , in the entire world, is a rare cognomen. The cognomen Klásek is habitual in Eastern Europe, particularly Czechia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klásek | Czechia |
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čeněk klásek CZ (b. 1879) |
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| jan klásek (b. 1873) |
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| miroslav klásek Czech pole vaulter at 1936 Olympics, CZ (b. 1913) |
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| viktor klásek (b. 1908) |
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| josef klásek (b. 1914) |
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| emil klásek (b. 1924) |
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| bohumil klásek (b. 1930) |
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| milan klásek CZ (b. 1932) |
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| antonín klásek CZ (b. 1941) |
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| jaroslav klásek CZ (b. 1945) |
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| martin klásek Czech puppeteer and singer (b. 1957) |
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| štěpán klásek Czechoslovak Czechoslovak hussites bishop, priest of Czechoslovak hussites and priest, CZ (b. 1957) |
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| ivo klásek (b. 1958) |
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| marek klásek Czech table tennis player (b. 1975) |
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| vladimír klásek (b. 1967) |
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