Mogielnica [mɔɡʲɛlˈnit͡sa] is a village in the administrative district of Gmina Drobin, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) west of Drobin, 24 km (15 mi) north-east of Płock, and 96 km (60 mi) north-west of Warsaw.