Czarnocin [t͡ʂarˈnɔt͡ɕin] is a village in the administrative district of Gmina Strzegowo, within Mława County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) east of Strzegowo, 23 km (14 mi) south of Mława, and 89 km (55 mi) north-west of Warsaw.