Brochocin [brɔˈxɔt͡ɕin] is a village in the administrative district of Gmina Radzanowo, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) west of Radzanowo, 9 km (6 mi) north-east of Płock, and 92 km (57 mi) north-west of Warsaw.