Topczewo [tɔpˈt͡ʂɛvɔ] is a village in the administrative district of Gmina Wyszki, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 23 kilometres (14 mi) north-west of Bielsk Podlaski and 35 km (22 mi) south-west of the regional capital Białystok.