Sulki [ˈsulki] is a village in the administrative district of Gmina Miastkowo, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 kilometres (4 mi) east of Miastkowo, 13 km (8 mi) west of Łomża, and 85 km (53 mi) west of the regional capital Białystok.