Bajki-Zalesie [ˈbai̯ki zaˈlɛɕɛ] is a village in the administrative district of Gmina Krypno, within Mońki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 12 kilometres (7 mi) south of Mońki and 35 km (22 mi) north-west of the regional capital Białystok.
According to the 1921 census, the village was inhabited by 420 people, among whom 410 were Roman Catholic, 5 Orthodox, and 5 Mosaic. At the same time, 419 inhabitants declared Polish nationality and 1 Belarusian. There were 73 residential buildings in the village.