Łuczaje [wuˈt͡ʂajɛ] is a village in the administrative district of Gmina Wyszki, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 18 kilometres (11 mi) north-west of Bielsk Podlaski and 30 km (19 mi) south of the regional capital Białystok.