Dzierżnica [d͡ʑɛrʐˈnit͡sa] is a village in the administrative district of Gmina Dominowo, within Środa Wielkopolska County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) north-east of Dominowo, 14 km (9 mi) north-east of Środa Wielkopolska, and 34 km (21 mi) east of the regional capital Poznań.