Grabów nad Prosną () is a town in Ostrzeszów County, Greater Poland Voivodeship, Poland, with about 1,900 inhabitants. Notable persons Teofil Ciesielski (1847-1916), botanist and beekeeper, professor of botany at the University of Lviv, director of the botanical garden in Lviv, one of the initiators and founders of Polish Copernicus Society of Naturalists Władysław Biegański (1857-1917), medical doctor, philosopher and social activist Cities and towns in Greater Poland Voivodeship Ostrzeszów County Sieradz Voivodeship (1339–1793) Poznań Voivodeship (1921–1939)