B
- Babice (Lipowiec Castle) Lesser Poland Voivodeship
- Baligród Castle – Subcarpathian Voivodeship
- Baranów Sandomierski Castle – Subcarpathian Voivodeship
- Barczewko Castle – Warmian-Masurian Voivodeship
- Bełżyce Castle – Lublin Voivodeship
- Besiekiery Castle – Łódź Voivodeship
- Będzin Castle – Silesian Voivodeship
- Białoboki Castle – Subcarpathian Voivodeship
- Biały Bór Castle – West Pomeranian Voivodeship
- Biecz Castle – Lesser Poland Voivodeship
- Bielsko-Biała Castle
- Biskupiec Castle – Warmian-Masurian Voivodeship
- Biskupin Castle – Kuyavian-Pomeranian Voivodeship
- Bobolice Castle – Silesian Voivodeship
- Bobrowniki Castle – Kuyavian-Pomeranian Voivodeship
- Bochotnica Castle – Lublin Voivodeship
- Bodzentyn Castle – Świętokrzyskie Voivodeship
- Bolczów Castle – Lower Silesian Voivodeship
- Bolesławiec Castle – Lower Silesian Voivodeship
- Bolków Castle – Lower Silesian Voivodeship
- Braniewo Castle – Warmian-Masurian Voivodeship
- Breń Castle – Lesser Poland Voivodeship
- Brodnica Castle – Kuyavian-Pomeranian Voivodeship
- Broniszów Castle – Lubusz Voivodeship
- Bychawa Castle – Lublin Voivodeship
- Bydlin
- Bytów Castle
Read more about this topic: List Of Castles In Poland