Cognomen Petrlík (Petrlík 
) , across the world, is a very rare last name. The surname Petrlík is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
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| Petrlík | Czechia |
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kristian petrlík Czech engineer and university educator, CZ (b. 1842) |
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| jaroslav petrlík (b. 1915) |
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| vladimír petrlík (b. 1930) |
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| jiří petrlík (b. 1932) |
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| oldřich petrlík (b. 1938) |
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| františek petrlík CZ (b. 1941) |
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| david petrlík CZ (b. 1978) |
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| ondřej petrlík CZ (b. 1989) |
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