Gruszczyn may refer to the following places: Gruszczyn, Kozienice County in Masovian Voivodeship (east-central Poland) Gruszczyn, Lipsko County in Masovian Voivodeship (east-central Poland) Gruszczyn, Świętokrzyskie Voivodeship (south-central Poland) Gruszczyn, Greater Poland Voivodeship (west-central Poland)