Czarnocinek [t͡ʂarnɔˈt͡ɕinɛk] is a village in the administrative district of Gmina Strzegowo, within Mława County, Masovian Voivodeship, in east-central Poland. It lies approximately 25 kilometres (16 mi) south of Mława and 87 km (54 mi) north-west of Warsaw.