Wojny-Pietrasze (Polish pronunciation: [ˈvɔjnɨ pjɛˈtraʂɛ]) is a village in the administrative district of Gmina Szepietowo, within Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 9 kilometres (6 mi) south of Szepietowo, 15 km (9 mi) south of Wysokie Mazowieckie, and 54 km (34 mi) south-west of the regional capital Białystok.