Okolusz [ɔˈkɔluʂ] is a village in the administrative district of Gmina Gąbin, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-east of Gąbin, 16 km (10 mi) south of Płock, and 88 km (55 mi) west of Warsaw.