Kostrzyna may refer to the following places in Poland:
- Kostrzyna, Lower Silesian Voivodeship (south-west Poland)
- Kostrzyna, Gmina Panki in Silesian Voivodeship (south Poland)
- Kostrzyna, Gmina Przystajń in Silesian Voivodeship (south Poland)
Kostrzyna may refer to the following places in Poland: