Topolnica [tɔpɔlˈnit͡sa] is a village in the administrative district of Gmina Zatory, within Pułtusk County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) north-east of Zatory, 11 km (7 mi) east of Pułtusk, and 53 km (33 mi) north of Warsaw.