Kosewo may refer to the following places: Kosewo, Gmina Nasielsk in Masovian Voivodeship (east-central Poland) Kosewo, Gmina Pomiechówek in Masovian Voivodeship (east-central Poland) Kosewo, Gmina Stary Lubotyń, Ostrów County in Masovian Voivodeship (east-central Poland) Kosewo, Żuromin County in Masovian Voivodeship (east-central Poland) Kosewo, Greater Poland Voivodeship (west-central Poland) Kosewo, Warmian-Masurian Voivodeship (north Poland)