Family name Gajek (Gajek 
, Гаек 
) , around the globe, is quite a rare last name. The family name Gajek is habitual in Poland, where it is quite a rare surname, Austria, where it is a rare surname, and Germany. Measured by absolute frequency, it is commonest in Poland, Germany, and Russia. Also, Gajek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gajek | Poland, France, Austria, United States, Germany |
| Гаек | Belarus, Russia, Ukraine |
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jan sergiusz gajek Belarusian priest, PL (b. 1949) |
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silke gajek German politician, DE (b. 1962) |
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| józef gajek (b. 1907) |
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| konrad gajek Polish germanist, university scholar, PL (b. 1931) |
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artur gajek road bicycle racer, DE (b. 1985) |
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| jerzy gajek Polish music pedagogue, PL (b. 1936) |
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| bernhard gajek DE (b. 1929) |
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radoslaw gajek Austrian chess player, AT (b. 1998) |
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| maksymilian gajek PL (b. 1944) |
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| lesław gajek Polish mathematician and statistician, PL (b. 1956) |
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| esther gajek German folklorist and germanist, DE (b. 1962) |
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| gabriela gajek researcher, PL |
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| ryszard gajek researcher |
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| katarzyna gajek researcher (ORCID 0000-0002-0235-7607) |
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| jacek gajek Polish internist and cardiologist, PL |
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