Janówek Drugi [jaˈnuvɛk ˈdruɡi] is a village in the administrative district of Gmina Jabłonna, within Legionowo County, Masovian Voivodeship, in east-central Poland. It lies approximately 10 kilometres (6 mi) north-west of Jabłonna, 10 km (6 mi) west of Legionowo, and 27 km (17 mi) north-west of Warsaw.