Długa Brzezina [ˈdwuɡa bʐɛˈʑina] is a village in the administrative district of Gmina Przysucha, within Przysucha County, Masovian Voivodeship, in east-central Poland. It lies approximately 16 kilometres (10 mi) south-east of Przysucha and 105 km (65 mi) south of Warsaw.