Długi Bród [ˈdwuɡʲi ˈbrut] is a village in the administrative district of Gmina Dubicze Cerkiewne, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 8 kilometres (5 mi) east of Dubicze Cerkiewne, 12 km (7 mi) south of Hajnówka, and 60 km (37 mi) south-east of the regional capital Białystok.