Pietraszki [pjɛˈtraʂki] is a village in the administrative district of Gmina Brańsk, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) north-west of Brańsk, 30 km (19 mi) west of Bielsk Podlaski, and 45 km (28 mi) south-west of the regional capital Białystok.