Kozłówka [kɔˈzwufka] is a village in the administrative district of Gmina Rajgród, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) south of Rajgród, 17 km (11 mi) east of Grajewo, and 69 km (43 mi) north-west of the regional capital Białystok.