Pasierby [paˈɕɛrbɨ] (German: Pasierby; 1939-1945: Waisenort) is a village in the administrative district of Gmina Pępowo, within Gostyń County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 6 kilometres (4 mi) south of Pępowo, 20 km (12 mi) south of Gostyń, and 77 km (48 mi) south of the regional capital Poznań.