Kowalówka [kɔvaˈlufka] is a village in the administrative district of Gmina Andrzejewo, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) west of Andrzejewo, 14 km (9 mi) east of Ostrów Mazowiecka, and 100 km (62 mi) north-east of Warsaw.