Cognomen Ivanchuk (Иванчук 
, Ivanchuk 
, Іванчук ) , all over the world, is a common surname. The surname Ivanchuk is habitual in Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Cyprus. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| pavel ivanchuk Soviet association football player (b. 1923) |
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| e v ivanchuk researcher |
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| motrya ivanchuk Ukrainian Righteous Among the Nations, UA |
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| vassily ivanchuk |
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| daria ivanchuk Belarusian association football player, BY |
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