Szudziałowo [ʂud͡ʑaˈwɔvɔ] is a village in Sokółka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It is the seat of the gmina (administrative district) called Gmina Szudziałowo. It lies approximately 16 kilometres (10 mi) south-east of Sokółka and 40 km (25 mi) north-east of the regional capital Białystok.