Bagienice (Polish pronunciation: [baɡʲɛˈɲitsɛ]) is a village in the administrative district of Gmina Wąsosz, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 kilometres (4 mi) east of Wąsosz, 14 km (9 mi) south of Grajewo, and 69 km (43 mi) north-west of the regional capital Białystok.