Family name Budniak (Budniak 
, Будняк 
) , around the world, is quite a rare surname. The family name Budniak is habitual in Eastern Europe, particularly Poland, where it is quite a rare surname, Ukraine, and Belarus, where it is a rare surname. In absolute terms, it is commonest in Eastern Europe, particularly Ukraine, Poland, and Russia. Likewise, Budniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Budniak | United Kingdom, United States, Poland, Brazil, Slovakia |
| Будняк | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| florian antoni budniak PL (b. 1910) |
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| stefania budniak (b. 1912) |
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| danuta budniak Polish philologist, PL (b. 1938) |
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piotr budniak Polish musician, PL (b. 1991) |
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| józef budniak Polish Catholic clergyman, PL (b. 1952) |
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| julia budniak researcher |
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| jacqueline budniak Australian fencer, AU (b. 1987) |
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| paweł budniak association football player, PL (b. 1989) |
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| julia budniak PL (b. 1981) |
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