Końcowizna [kɔɲt͡sɔˈvizna] is a village in the administrative district of Gmina Suraż, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 4 kilometres (2 mi) south-east of Suraż and 25 km (16 mi) south-west of the regional capital Białystok.