Kocerany [kɔt͡sɛˈranɨ] is a village in the administrative district of Gmina Pniewy, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) east of Pniewy, 9 km (6 mi) north-west of Grójec, and 34 km (21 mi) south of Warsaw.