Cognomen Osadchuk (Osadchuk 
) , around the world, is a rare surname. The last name Osadchuk is characteristic of Albania, where it is a rare surname, Canada, and Lithuania. Not in comparison with a country's population, the name is most common in Canada, the United States, and Russia.
| VARIANT | COUNTRY |
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| Osadchuk | Russia, United States, Canada, Ukraine, Albania |
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katarina osadchuk Australian volleyball player, AU (b. 1991) |
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| sergej osadchuk Norwegian pianist (b. 1957) |
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| alex osadchuk Australian water polo player, AU (b. 1972) |
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| roman osadchuk UA (b. 1967) |
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| ludmila osadchuk researcher |
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| irina osadchuk researcher |
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| alexey osadchuk researcher |
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| m a osadchuk researcher |
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| angelina osadchuk Ukrainian association football player, UA |
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