Brychy [ˈbrɨxɨ] is a village in the administrative district of Gmina Radziłów, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 7 kilometres (4 mi) south-east of Radziłów, 32 km (20 mi) south of Grajewo, and 55 km (34 mi) north-west of the regional capital Białystok.