Korczaki [kɔrˈt͡ʂaki] is a village in the administrative district of Gmina Rzekuń, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Rzekuń, 3 km (2 mi) south-west of Ostrołęka, and 100 km (62 mi) north of Warsaw.