Family name Wilenczyk (Wilenczyk 
) , across the world, is a very rare surname. The family name Wilenczyk is characteristic of Argentina, where it is a very rare surname, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Wilenczyk | Spain, Argentina |
| liza wilenczyk holocaust victim, b. 1933, PL (b. 1933) |
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| szymon wilenczyk Holocaust victim, PL |
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