Family name Fronek (Fronek 
) , globally, is quite a rare cognomen. The surname Fronek is characteristic of Czechia, where it is quite a rare surname, Austria, where it is a rare surname, and Germany. Measured by absolute frequency, it is commonest in Czechia, the United States, and Germany.
| john r. fronek American farmer and politician, US (b. 1883) |
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| josef fronek Czech lexicographer, linguist and university educator, CZ (b. 1936) |
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| donald k. fronek electrical engineer, US (b. 1937) |
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| patricia fronek researcher |
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