Marysinek may refer to the following places:
- Marysinek, Gmina Radzanów in Masovian Voivodeship (east-central Poland)
- Marysinek, Gmina Strzegowo in Masovian Voivodeship (east-central Poland)
- Marysinek, Sochaczew County in Masovian Voivodeship (east-central Poland)
- Marysinek, Warsaw West County in Masovian Voivodeship (east-central Poland)
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