Olszak

Olszak may refer to:

Places

Olszak, Greater Poland Voivodeship (west-central Poland)
Olszak, Masovian Voivodeship (east-central Poland)
Olszak, West Pomeranian Voivodeship (north-west Poland)

People

Feliks Olszak, Polish metallurgical engineer
Wacław Olszak, Polish physician and politician
Wacław Olszak (engineer), Polish engineer

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