Family name Šírek (Šírek 
) , throughout the world, is a very rare surname. The cognomen Šírek is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| karel šírek CZ (b. 1885) |
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| josef šírek CZ (b. 1890) |
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| jan šírek CZ (b. 1950) |
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| jiří šírek CZ (b. 1964) |
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