Olsza
# Olsza

Olsza may refer to the following places in Poland:

* Olsza, Cracow [pl], part of the Grzegórzki and Prądnik Czerwony districts of Kraków
* Olsza, Lower Silesian Voivodeship (south-west Poland)
* Olsza, Kuyavian-Pomeranian Voivodeship (north-central Poland)
* Olsza, Podlaskie Voivodeship (north-east Poland)
* Olsza, Łódź Voivodeship (central Poland)
* Olsza, Greater Poland Voivodeship (west-central Poland)
