Czartoria [t͡ʂarˈtɔrja] is a village in the administrative district of Gmina Miastkowo, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 kilometres (3 mi) north-west of Miastkowo, 21 km (13 mi) west of Łomża, and 93 km (58 mi) west of the regional capital Białystok.