Knieja may refer to the following places:
- Knieja, Tuchola County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Knieja, Żnin County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Knieja, Silesian Voivodeship (south Poland)
- Knieja, Opole Voivodeship (south-west Poland)
- Knieja, Człuchów County in Pomeranian Voivodeship (north Poland)
- Knieja, Kościerzyna County in Pomeranian Voivodeship (north Poland)
- Knieja, West Pomeranian Voivodeship (north-west Poland)
This disambiguation page lists articles about distinct geographical locations with the same name.
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