Jakać Dworna [ˈjakat͡ɕ ˈdvɔrna] is a village in the administrative district of Gmina Śniadowo, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 4 kilometres (2 mi) south-west of Śniadowo, 20 km (12 mi) south-west of Łomża, and 84 km (52 mi) west of the regional capital Białystok.