Trzcianka [ˈtʂt͡ɕaŋka] is a village in the administrative district of Gmina Szydłowo, within Mława County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) west of Szydłowo, 6 km (4 mi) south-east of Mława, and 104 km (65 mi) north of Warsaw.