Zieleniec may refer to:

• Josef Zieleniec, a Czech Member of the European Parliament

and the following places in Poland:

• Zieleniec, a district of the town of Duszniki-Zdrój
• Zieleniec, a district of the town of Gorzów Wielkopolski
• Zieleniec, Kuyavian-Pomeranian Voivodeship (north-central Poland)
• Zieleniec, Łódź Voivodeship (central Poland)
• Zieleniec, Lublin Voivodeship (east Poland)
• Zieleniec, Gostynin County in Masovian Voivodeship (east-central Poland)
• Zieleniec, Kozienice County in Masovian Voivodeship (east-central Poland)
• Zieleniec, Węgrów County in Masovian Voivodeship (east-central Poland)
• Zieleniec, Greater Poland Voivodeship (west-central Poland)
• Zieleniec, Lubusz Voivodeship (west Poland)
• Zieleniec, Opole Voivodeship (south-west Poland)
• Zieleniec, Warmian-Masurian Voivodeship (north Poland)

This disambiguation page lists articles associated with the title Zieleniec.
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