Olszak
# 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 with the surname

* Wacław Olszak (1868-1939), Polish physician and politician
