Andryjanki is a village in the administrative district of Gmina Boćki, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 km south-west of Boćki, 22 km south-west of Bielsk Podlaski, and 57 km south of the regional capital Białystok. According to the 1921 census, the village was inhabited by 287 people, among whom 82 were Roman Catholic, 201 Orthodox, and 4 Mosaic. At the same time, 152 inhabitants declared Polish nationality, 135 Belarusian. There were 51 residential buildings in the village.