Brzeziny may refer to the following places in Poland:

• Brzeziny, a suburb of Olsztyn
• Brzeziny, Kalisz County in Greater Poland Voivodeship (west-central Poland)
• Brzeziny, Kościan County in Greater Poland Voivodeship (west-central Poland)
• Brzeziny, Środa Wielkopolska County in Greater Poland Voivodeship (west-central Poland)
• Brzeziny, Kuyavian-Pomeranian Voivodeship (north-central Poland)
• Brzeziny, Brzeziny County in Łódź Voivodeship (central Poland)
• Brzeziny, Kutno County in Łódź Voivodeship (central Poland)
• Brzeziny, Poddębice County in Łódź Voivodeship (central Poland)
• Brzeziny, Radomsko County in Łódź Voivodeship (central Poland)
• Brzeziny, Gmina Rzeczyca in Łódź Voivodeship (central Poland)
• Brzeziny, Gmina Mokrsko in Łódź Voivodeship (central Poland)
• Brzeziny, Gmina Skomlin in Łódź Voivodeship (central Poland)
• Brzeziny, Wieruszów County in Łódź Voivodeship (central Poland)
• Brzeziny, Biłgoraj County in Lublin Voivodeship (east Poland)
• Brzeziny, Chełm County in Lublin Voivodeship (east Poland)
• Brzeziny, Janów Lubelski County in Lublin Voivodeship (east Poland)
• Brzeziny, Krasnystaw County in Lublin Voivodeship (east Poland)
• Brzeziny, Łęczna County in Lublin Voivodeship (east Poland)
• Brzeziny, Lubartów County in Lublin Voivodeship (east Poland)
• Brzeziny, Radzyń Podlaski County in Lublin Voivodeship (east Poland)
• Brzeziny, Ryki County in Lublin Voivodeship (east Poland)
• Brzeziny, Gmina Lubycza Królewska in Lublin Voivodeship (east Poland)
• Brzeziny, Gostynin County in Masovian Voivodeship (east-central Poland)
• Brzeziny, Mińsk County in Masovian Voivodeship (east-central Poland)
• Brzeziny, Radom County in Masovian Voivodeship (east-central Poland)
• Brzeziny, Warsaw in Masovian Voivodeship (east-central Poland)
• Brzeziny, Nysa County in Opole Voivodeship (south-west Poland)
• Brzeziny, Olesno County in Opole Voivodeship (south-west Poland)
• Brzeziny, Podkarpackie Voivodeship (south-east Poland)
• Brzeziny, Podlaskie Voivodeship (north-east Poland)
• Brzeziny, Pomeranian Voivodeship (north Poland)
• Brzeziny, Kłobuck County in Silesian Voivodeship (south Poland)
• Brzeziny, Myszków County in Silesian Voivodeship (south Poland)
• Brzeziny, Zawiercie County in Silesian Voivodeship (south Poland)
• Brzeziny, Kielce County in Świętokrzyskie Voivodeship (south-central Poland)
• Brzeziny, Staszów County in Świętokrzyskie Voivodeship (south-central Poland)
• Brzeziny, Warmian-Masurian Voivodeship (north Poland)
• Brzeziny, West Pomeranian Voivodeship (north-west Poland)