Kuczaby [kuˈt͡ʂabɨ] is a village in the administrative district of Gmina Sterdyń, within Sokołów County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) west of Sterdyń, 18 km (11 mi) north of Sokołów Podlaski, and 95 km (59 mi) north-east of Warsaw.