Brzeziny [bʐɛˈʑinɨ] is a village in the administrative district of Gmina Osie, within Świecie County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south-east of Osie, 17 km (11 mi) north of Świecie, 56 km (35 mi) north-east of Bydgoszcz, and 62 km (39 mi) north of Toruń.