Sinołęka [ɕinɔˈwɛŋka] is a village in the administrative district of Gmina Kałuszyn, within Mińsk County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) east of Kałuszyn, 25 km (16 mi) east of Mińsk Mazowiecki, and 63 km (39 mi) east of Warsaw.