Family name Kałużny (Kaluzny 
, Kałużny , Калужный 
) , in the entire world, is quite a rare last name. The surname Kałużny is habitual in Poland, where it is quite a rare surname, Luxembourg, and France, where it is a rare surname. Not in comparison with a country's population, it is commonest in Poland, the United States, and France. Likewise, Kałużny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaluzny | Brazil, United States, Germany, Poland, France |
| Kałużny | Poland, United States |
| Калужный | Belarus, Russia |
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mieczysław kałużny Polish sculptor (1934-2001), PL (b. 1934) |
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janusz kałużny Polish astronomer (1955-2015), PL (b. 1955) |
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| władysław kałużny PL (b. 1901) |
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tadeusz kałużny (b. 1959) |
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radosław kałużny Polish footballer, PL (b. 1974) |
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| józef kałużny Polish ophthalmologist (1940-2018), PL (b. 1940) |
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mariusz kałużny PL (b. 1986) |
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| piotr kałużny (b. 1950) |
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| jakub kałużny Polish ophthalmologist, PL (b. 1969) |
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| bartłomiej kałużny Polish ophthalmologist, PL (b. 1974) |
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| józef cezary kałużny PL (b. 1967) |
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| jarosław kałużny researcher |
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| krystian kałużny researcher, PL |
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Jan, Oskar, Zośka, Marcin, Maciej, Maciek, Monika, Michal, Szymon, Adrian, Bartek, Bogdan, Kacper, Konrad, Patryk, Robert, Daniel, Damian, Dastin, Leszek, Janusz, Joanna, Filip, Tomek, Jerzy, Jakub, Ewa, Anna, Adam, Kuba, Eryk, Emil, Igor, Marek, Mirek, Alina, Józef, Artur, Karol, Kamil, Paweł, Piotr, Radek, Rafał, Roman, Darek, Dawid, Jacek, Agata, and Tomasz