Last name Andrejczuk (Andrejczuk 
) , across the world, is a rare family name. The cognomen Andrejczuk is habitual in Poland, where it is quite a rare surname, Argentina, where it is a very rare surname, and the United Kingdom. In absolute terms, this name is the most popular in Poland, the United States, and Argentina. Also, Andrejczuk is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Andrejczuk | United Kingdom, United States, Poland, Argentina, Brazil |
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beata andrejczuk Polish chess player, PL (b. 1988) |
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| andrzej andrejczuk Polish physicist, PL |
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| ewa andrejczuk Ph.D. institut d'investigació en intel·ligència artificial 2018 |
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