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- Rabsztyn – Lesser Poland Voivodeship
- Radków – Lower Silesian Voivodeship
- Ratno Dolne – Lower Silesian Voivodeship
- Rawa Mazowiecka – Łódź Voivodeship
- Recz – West Pomeranian Voivodeship
- Resko – West Pomeranian Voivodeship
- Rembów – Świętokrzyskie Voivodeship
- Rudno (Tenczyn Castle) – Lesser Poland Voivodeship
- Rusiec – Łódź Voivodeship
- Rydzyna Castle, near Leszno – Greater Poland Voivodeship
- Rymanów – Subcarpathian Voivodeship
- Rytro – Lesser Poland Voivodeship
- Rytwiany – Świętokrzyskie Voivodeship
- Rzeszów – Subcarpathian Voivodeship
Read more about this topic: List Of Castles In Poland