Last name Cihak (Cihak 
) , in all the world, is quite a rare surname. The surname Cihak is characteristic of Czechia, where it is quite a common surname, Slovakia, where it is a rare surname, and Austria. In absolute terms, it is commonest in Czechia, the United States, and Germany.
| joseph frank cihak American politician, US (b. 1908) |
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| david f cihak researcher |
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| miroslav cihak Czechoslovak canoeist |
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| john cihak |
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| peter cihak |
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