Mierzyn may refer to the following places: Mierzyn, Greater Poland Voivodeship (west-central Poland) Mierzyn, Łódź Voivodeship (central Poland) Mierzyn, Świętokrzyskie Voivodeship (south-central Poland) Mierzyn, Warmian-Masurian Voivodeship (north Poland) Mierzyn, Białogard County in West Pomeranian Voivodeship (north-west Poland) Mierzyn, Gryfice County in West Pomeranian Voivodeship (north-west Poland) Mierzyn, Police County in West Pomeranian Voivodeship (north-west Poland)