Świerczynek (Polish pronunciation: [ɕfjɛrˈt͡ʂɨnɛk]) is a village in the administrative district of Gmina Drobin, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) south-west of Drobin, 28 km (17 mi) north-east of Płock, and 91 km (57 mi) north-west of Warsaw.