Olszanka
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Olszanka may refer to:
- Olszanka, Lesser Poland Voivodeship (south Poland)
 - Olszanka, Biłgoraj County in Lublin Voivodeship (east Poland)
 - Olszanka, Gmina Kraśniczyn in Lublin Voivodeship (east Poland)
 - Olszanka, Gmina Łopiennik Górny in Lublin Voivodeship (east Poland)
 - Olszanka, Lublin County in Lublin Voivodeship (east Poland)
 - Olszanka, Łosice County in Masovian Voivodeship (east-central Poland)
 - Olszanka, Wyszków County in Masovian Voivodeship (east-central Poland)
 - Olszanka, Żyrardów County in Masovian Voivodeship (east-central Poland)
 - Olszanka, Opole Voivodeship (south-west Poland)
 - Olszanka, Augustów County in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Białystok County in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Sejny County in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Sokółka County in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Gmina Filipów in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Gmina Przerośl in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Gmina Rutka-Tartak in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Gmina Szypliszki in Podlaskie Voivodeship (north-east Poland)
 - Olszanka, Pomeranian Voivodeship (north Poland)
 - Olszanka River in north-east Poland