title: Olszak
text: # 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
  