Cognomen Madej (Madej 
, Мадей 
, Мадэй ) , in the world, is a common family name. The family name Madej is habitual in Eastern Europe, particularly Poland, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Czechia. In absolute terms, it is commonest in Poland, the United States, and Ukraine. Likewise, Madej is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Madej | Germany, France, Poland, United Kingdom, United States |
| Мадей | Ukraine, Kazakhstan, Bulgaria, Russia, Kyrgyzstan |
| Мадэй | Russia |
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jakub madej PL (b. 1868) |
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edward madej Lieutenant of the Polish Army, PL (b. 1912) |
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| jan kanty madej PL (b. 1875) |
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jerzy madej Polish politician and deputy, PL (b. 1935) |
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| stanisław madej PL (b. 1880) |
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| ksenia madej Polish Righteous Among the Nations, PL (b. 1891) |
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| ignacy madej Polish Righteous Among the Nations, PL (b. 1893) |
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| antoni madej Polish poet and translator, PL (b. 1899) |
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kazimierz madej Polish actor (b. 1952) |
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| józefa madej Polish Righteous Among the Nations, PL (b. 1908) |
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| rudolf jan madej PL (b. 1898) |
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| genowefa madej Polish Righteous Among the Nations, PL (b. 1912) |
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| stefan madej (b. 1908) |
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| franciszek madej (b. 1912) |
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łukasz madej Polish footballer, PL (b. 1982) |
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