Kępa Ośnicka [ˈkɛmpa ɔɕˈnit͡ska] is a former settlement in the administrative district of Gmina Słupno, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south-east of Płock and 92 km (57 mi) west of Warsaw.