Niemarzyn [ɲɛˈmaʐɨn] is a village in the administrative district of Gmina Miejska Górka, within Rawicz County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) south of Miejska Górka, 9 km (6 mi) east of Rawicz, and 86 km (53 mi) south of the regional capital Poznań.