Osieczek may refer to the following places:
- Osieczek, Inowrocław County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Osieczek, Wąbrzeźno County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Osieczek, Masovian Voivodeship (east-central Poland)
- Osieczek, Lubusz Voivodeship (west Poland)
This disambiguation page lists articles about distinct geographical locations with the same name.
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