Głęboka [ɡwɛmˈbɔka] is a village in the administrative district of Gmina Lutocin, within Żuromin County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north of Lutocin, 11 km (7 mi) west of Żuromin, and 124 km (77 mi) north-west of Warsaw.