Cognomen Petránek (Petránek 
) , across the world, is a very rare last name. The family name Petránek is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Petránek | Czechia |
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jan petránek Czech publicist, CZ (b. 1931) |
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| jan petránek CZ (b. 1895) |
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| břetislav petránek CZ (b. 1918) |
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| svojmil petránek (b. 1918) |
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| jan petránek CZ (b. 1922) |
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| svojmil petránek CZ (b. 1948) |
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| jan petránek CZ (b. 1951) |
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