Koszelewy [kɔʂɛˈlɛvɨ] is a village in the administrative district of Gmina Rybno, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) south-east of Rybno, 18 km (11 mi) north-west of Działdowo, and 63 km (39 mi) south-west of the regional capital Olsztyn.