Kaczka [ˈkat͡ʂka] is a village in the administrative district of Gmina Goworowo, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south of Goworowo, 25 km (16 mi) south of Ostrołęka, and 81 km (50 mi) north-east of Warsaw.