Brzozówka [bʐɔˈzufka] is a village in the administrative district of Gmina Kadzidło, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Kadzidło, 18 km (11 mi) north of Ostrołęka, and 116 km (72 mi) north of Warsaw.