Knyszewicze [knɨʂɛˈvit͡ʂɛ] is a village in the administrative district of Gmina Szudziałowo, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 4 kilometres (2 mi) north of Szudziałowo, 14 km (9 mi) south-east of Sokółka, and 42 km (26 mi) north-east of the regional capital Białystok.