Sołki [ˈsɔu̯ki] is a village in the administrative district of Gmina Rajgród, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 14 kilometres (9 mi) south-west of Rajgród, 12 km (7 mi) east of Grajewo, and 67 km (42 mi) north-west of the regional capital Białystok.