Osińska Buda [ɔˈɕiɲska ˈbuda] is a village in the administrative district of Gmina Nowinka, within Augustów County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) north-west of Nowinka, 16 km (10 mi) north of Augustów, and 98 km (61 mi) north of the regional capital Białystok.