Głusk [ɡwusk] is a village in the administrative district of Gmina Leoncin, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-east of Leoncin, 8 km (5 mi) west of Nowy Dwór Mazowiecki, and 37 km (23 mi) north-west of Warsaw.